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maintaining internal conditions is essential to survive harsh weather especially here in the uae for example when you hot here in the desert your exerts sweat to keep you cool without internal balance.

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Whats the importance of maintaining internal conditions like temperature and water balance for survival in extreme environments like the desert?”

The importance of homeostasis is that enzymes only function properly under a limited range of conditions, like preferred pH and temperature. If any of the conditions are outside their preferred specific range then the enzymes would not be able to function. This could cause the organism to die.

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Group 3 : Stable temperature and water levels prevent heatstroke and dehydration, crucial for survival in the desert.

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Group 3 : Stable temperature and water levels prevent heatstroke and dehydration, crucial for survival in the desert.

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Sara Hamad Alhammadi 9G1

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Maintaining body temperature and water balance is very important in deserts. Sweating helps cool don’t the body but also dehydrates you. Drinking water will help with the dehydration also helps our body to stay healthy in extreme heat

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maintaining temperature and water balance is highly important in order to prevent overheating and dehydration, and it allows your body to function properly, specially in extremely hot climates

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blood sugar and body temperature and the composition of body fluids

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“Whats the importance of maintaining internal conditions like temperature and water balance for survival in extreme environments like the desert?”

The importance of homeostasis is that enzymes only function properly under a limited range of conditions, like preferred pH and temperature. If any of the conditions are outside their preferred specific range then the enzymes would not be able to function. This could cause the organism to die.

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keeping the body temperature stable is important to prevent overheating in high temperatures environments. to help prevent dehydration, drinking enough water can help the body. these external conditions are necessary for the body to function properly

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Keeping the body cool and hydrated is very important in hot places like the desert. If the body gets too hot, it can make people feel dizzy and tired, like Amal’s brother. Not drinking enough water can lead to dehydration, which makes things worse. Amal stayed cool because her body stayed at a normal temperature. Her family helped by making sure her brother rested in the shade and drank water, which kept him safe. Staying cool and drinking water helps prevent health problems in extreme heat.

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Sweating cools Amal’s body by releasing moisture that evaporates, removing heat and helping her maintain a stable temperature despite the 45°C heat.

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keeping the body’s temperature and water balance is very important in extreme places like the desert. the body cools itself by sweating but it uses up water, so drinking enough is necessary to avoid problems like dizziness, tiredness, or heatstroke. simple actions like drinking water and staying in the shade help the body stay safe in hot conditions.

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Maintaining temperature and water balance ithe survival in desert as e heat and dryness can harm the body Animals and plants adapt to conserve water

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Body temperature and

Blood sugar levels

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Sweating helps Amal stay cool in hot weather by releasing sweat. As the sweat dries, it takes heat away from her body, lowering her temperature.

Mediya almheiri 9G1

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Maintaining body temperature is important to prevent overheating in the desert. Drinking enough water helps avoid dehydration and dizziness. These internal conditions are necessary for the body to function properly. Without balance, the body cannot survive in extreme heat.

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As the water in the sweat evaporates, the surface of the skin cools.

Noora said Mohamed 9G1

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In extreme environments like the desert, it’s important to keep the body’s temperature and water balance stable. Sweating helps cool the body down to prevent overheating, while staying hydrated is necessary to avoid dehydration, which can cause dizziness and other health problems.

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Maintaining internal conditions like temperature and water balance is needed for survival in harsh environments like the desert. People and animals cope with the harsh climate by using less water and finding shade.

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the ability or tendency of a living organism, cell, or group to keep the conditions inside it the same despite any changes in the conditions around it, or this state of internal balance: Warm-blooded animals are able to achieve temperature homeostasis. SMART Vocabulary: related words and phrases.

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the ability or tendency of a living organism, cell, or group to keep the conditions inside it the same despite any changes in the conditions around it, or this state of internal balance: Warm-blooded animals are able to achieve temperature homeostasis. SMART Vocabulary: related words and phrases.

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Sara Hamad alhammadi 9G1

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(Group 3) Maintaining temperature and water balance is crucial in the hot desert to avoid dehydration or overheating. This keeps the body working properly and prevents serious health problems.

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the level of blood glucose, body temperature

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The Laboratory of Environmental Hygiene and Forensic Toxicology (LIATF) addresses a growing number of police seizures by using advanced analytical techniques and AI technology to analyze samples. This helps identify various substances, including drugs, and supports law enforcement in investigating and solving cases involving illegal substances. The lab applies high-resolution technology to process and identify toxicological samples more effectively, ensuring faster and more accurate results in forensic investigations.

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Large-scale blood tests are typically done to assess overall health, detect any underlying medical conditions, and monitor the effectiveness of treatments.
They can help identify abnormalities in blood cell counts, measure organ function, check for infections, and evaluate levels of various substances in the blood.
It's important to consult with a healthcare professional for a detailed interpretation of the results.

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Passive stains, transfer stains, and projected or impact stains are the three main categories of bloodstains. Passive stains, which can take the form of droplets, flows, and pools, are frequently caused by the weight of an injured body. Transfer stains are caused by things contacting bloodstains already present and leaving behind wipes, swipes, or pattern transfers, such as a bloody shoe print or a smear from dragging a body. Impact stains, which are typically visible as splatter, are caused by blood that projects through the air.

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Case Study:

In a high-profile arson investigation, a large-scale blood test was conducted to analyze blood samples collected from various locations within a burned building. The investigation aimed to determine if accelerants, such as gasoline or chemicals, were used to start the fire.

-Explain the purpose of conducting a large-scale blood test in an arson investigation. What evidence are investigators hoping to find?

The reason for conducting an extensive blood test during an arson investigation is to determine if there were any potential murder victims, as the presence of blood and hemoglobin could indicate such a scenario.

-Outline the typical tests and procedures involved in a large-scale blood analysis for detecting accelerants or other substances related to arson  : A large-scale blood analysis for detecting accelerants or arson-related substances involves blood collection, extraction, spectroscopy, comparison, reporting, and potential expert testimony.

-Discuss the potential challenges or limitations of using blood tests in an arson case and propose additional investigative steps that might be necessary.

Challenges:

1. Time sensitivity

2. Low concentrations

3. Contamination

4. Natural sources

5. Legal requirements

Additional steps:

1. Fire scene analysis

2. Witness interviews

3. Surveillance footage review

4. Fire dynamics analysis

5. Canine detection

6. Financial motive investigation

7. Polygraph tests

8. Expert testimony

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ABO Blood Group System:
There are four main blood types: A, B, AB, and O.
These blood types are determined by the presence or absence of specific antigens (proteins) on the surface of red blood cells.
Blood type A has A antigens, blood type B has B antigens, blood type AB has both A and B antigens, and blood type O has neither A nor B antigens.

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Blood test is consisting of two parts.

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The blood test consists of two parts which are:
1- The presumptive test:  which checks if the blood is fake or real.
2- The confirmatory test: checks whether the type of the blood and whether it belongs to a human, animal, or other.

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Identify individuals

Determine the cause of death

Provide evidence of a crime

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Blood test is used to identify patients and types of blood which are A, B , AB , and O . Forensic science use blood test to identify whether it is human blood or animal blood . There is 2 types of blood tests.

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A blood test is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerpick.

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Presumptive tests are like quick checks that can sometimes be wrong, while confirmatory tests are like double-checks to be sure, like using a DNA test after a paternity test.

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DNA analysis

1. Conduct research on your chosen topic and create a presentation or report.
DNA analysis (genetic testing) is a medical test that can identify mutations in your genes, chromosomes, or proteins. These mutations can indicate if you have or don't have a genetic condition.

2. Explore recent advancements, and analyze a  case study, and show the significance of your chosen topic in the field and solving the case.

One of the most recent advancements includes NGS which is Next Generation Sequencing. This technology allows scientists to quickly and accurately sequence huge amounts of DNA.

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Presumptive tests are like quick checks that can sometimes be wrong, while confirmatory tests are like double-checks to be sure, like using a DNA test after a paternity test.

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Forensic serologists analyze bodily fluids like blood, saliva, and urine to assist in criminal investigations, identifying individuals and detecting substances for evidence in cases.

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Recent advancements in DNA analysis have revolutionized the field of forensics. A significant case study is the Golden State Killer case, where DNA evidence from crime scenes was used to identify and apprehend the suspect, Joseph DeAngelo. This breakthrough highlights the critical role of DNA analysis in solving cold cases and bringing justice to victims. DNA analysis provides indisputable evidence, linking suspects to crimes and helping law enforcement solve cases that were previously unsolvable.

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Red Blood Cells (RBCs)
Function: Red blood cells are responsible for transporting oxygen from the lungs to tissues throughout the body and returning carbon dioxide, a waste product of metabolism, to the lungs for exhalation.

White Blood Cells (WBCs)
Function: White blood cells are part of the immune system and play a critical role in defending the body against infections and foreign invaders.

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What are the components of blood?
- Red Blood cells
- White Blood cells
- Plasma
- Platelets
What are the functions of each:
Red blood cells: Transport oxygen

White blood cells: protect you against illness and and diseases.

Plasma: carries nutrients, hormones, and proteins to parts of the body.

Platelets: It stops bleeding clots blood

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1. Red Blood Cells (RBCs): These cells, also known as erythrocytes, are responsible for carrying oxygen from the lungs to the rest of the body and returning carbon dioxide to the lungs for exhalation. They contain hemoglobin, a protein that binds to oxygen.
2. White Blood Cells (WBCs): These cells, also called leukocytes, are essential for the immune system. They help the body fight infections and diseases. There are several types of white blood cells, including neutrophils, lymphocytes, monocytes, eosinophils, and basophils.
3. Platelets: Platelets are small cell fragments that play a crucial role in blood clotting and wound healing. They help prevent excessive bleeding when there is damage to blood vessels.
4. Plasma: Plasma is the liquid component of blood, making up about 55% of total blood volume. It is a yellowish fluid that carries blood cells, nutrients, hormones, waste products, and other substances throughout the body. Plasma also contains proteins, including albumin and immunoglobulins, which are important for various functions, such as maintaining blood volume and fighting infections.

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plasma, red blood cells, white blood cells, and platelets.

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plasma, red blood cells, white blood cells, and platelets.

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Red Blood Cells : Carry oxygen to tissues.
White Blood Cells: Fight infections and diseases.
Platelets: Help in blood clotting.
Plasma: Liquid that transports nutrients, hormones, and waste products.

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Plasma, red blood cells, white blood cells, and platelets

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plasma, red blood cells, white blood cells, and platelets.

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plasma, red blood cells, white blood cells, and platelets.

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plasma, red blood cells, white blood cells, and platelets

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Blood components:
-Red Blood cells
-White Blood cells
-Plasma

Their functions:
transporting oxygen and nutrients to the lungs and tissues

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1. Red Blood Cells :Carry oxygen from the lungs to the rest of the body and transport carbon dioxide back to the lungs for exhalation.
2. White Blood Cells : Part of the immune system, they defend the body against infections and diseases.
3. Platelets: Aid in blood clotting to prevent excessive bleeding.
4. Plasma: The liquid portion of blood that carries nutrients, hormones, and waste products throughout the body.

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four main components: plasma, red blood cells, white blood cells, and platelets.

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I learnt about CSI and how to investigate a crime scene and the steps to do so

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I learned 3 thing today how to sketch a crime scene, how to investigate, what tool are used to investigate.
And how CSI works

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3 things I learned:
How to make a report
What to do in crime scene
Patterns of investigation

2 things I found interesting :
Collecting data’s
Collecting evidence

1 thing I want to learn:
I want to know more about blood

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I learned that sketching is an important part of investigating a crime.

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Three thing I learned today: the ways of processing a crime scene, search patterns, and chain fo custody
Two thing I found interesting: the angles for photography and the ways of collecting data
Question:
What are all the things a investigator can collect evidence from?

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Today I studied about data collection, several forms of investigation, and various kinds of crime scenes and,
Today I learned how CSI investigates crime scenes.

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Three things I learned today are : search patterns , the different types of processing a crime scene , and  the chain of custody .

Two things I found interesting are : the search patterns, and the way the process the blood .

One thing I’m still curious about is : is the first officer the one who sketch , take notes , and write the report.

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urvey Evidence Collection in UAE

1. Purpose & Permissions: Define survey purpose and secure permits.

2. Data Collection: Gather data using approved methods.

3. Reporting: Analyze findings and create a report.

4. Submission: Submit the report to UAE authorities.

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I learned today how to collect data and different types of investigating and types of crime scene.

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I learned today about the CSI process of solving a crime scene

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I’ve learned about chain of custody
How the process of csi is done
Does the evidence have to be on paper bags only?

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3 things I learned:
-  I learned about the steps of a crime scene view
- The different patterns of investigating
- How to write a report

2 Things I found interesting:
- How to collect data
- How to photograph from different angles

1 question I still have:
- I want to know more about the chain of custody

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I have learned about steps of crime scene and chain of custody

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I’ve learned about

-chain of custody

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a summary or create an infographic that explains the process of survey evidence collection and submission, IN UAE highlighting the main steps and requirements

first documenting the crime scene and taking pictures of it

Crime scene are connected to the victim , suspect and physical evidence

The role of the forensic expert at the crime scene is collecting evidence and Packaging and preservation of evidence

The important things at crime scene is the safety of all individuals and  evidence collection

Security of the crime scene. If it’s left unsecured it will cause lots of evidence

Protect the area , restricted the entry , keep log of visitors , collect information , request additional man power.

Making a sketch of the crime scene

Note that the position of the body and foot steps should be the same or try doing it from different directions to create the crime Scene

Easily lost evidence should be put first

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We must examine all potential research suspects.
Take pictures of the scene to document it in its ultimate state.
Safeguard all evidence and gather all tools.

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Avoid the mess , search for evidence, analyze it, and find the criminal

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A tourist ( Max ) rented villa was been stolen in Al Aweer . When max got to the villa he saw that all his luxurious stuff were stolen ; He immediately called the police.

The first officer arrived and he recorded the arrival time and started checking the house to secure his own safety and Max’s safety.  The officiers came after to take pictures , sketching , take notes , collect evidence and write an report.

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Scenario:

Location: Dubai, UAE

Case: Robbery at "Diamond Elegance" Jewelry Store

1. Video Analysis:

- Review surveillance footage.

- Identify suspects and their actions.

2. Survey Evidence Collection:

- Examine crime scene.

- Document layout and potential evidence.

3. Report Preparation:

- Compile findings.

- Provide a summary, evidence, and recommendations

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Secure the area
Wear safety thing
Search for evidence
Scan the evidence
Analyze the evidence
Find the criminal

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When the crime scene is finished there is still work to do.

We need to review all suspects of the research
Take photographs for the scene showing the final condition
Secure all evidence and retrieve all equipment

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In Ajman, in a building a child was found on the ground floor shot in the head, right arm, and right leg. The bullets weren't found in the child's body nor the crime weapon. The area was immediately secured, protected, and heavily investigated. The cameras were checked, the body was scanned, and any small DNA clue was collected and sent to the lab. The crime scene was photographed and sketched, and evidence was collected. Finally, after writing the report the investigators were able to find the murderer.

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The video talks about the process of evidence survey:
- review all aspects of the search
- read over the paperwork for a final check.
- take photographs of the scene showing final condition.
- secure all evidence and retrieve all equipments.
Walkthrough  at least 2 people from different agencies.

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Secure the scene,
Check for witnesses,
Analyze the scene,
Get all possible evidences.

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The video talk about how to process a crime scene, and ways to avoid the transfer, loss , and contamination of evidence so you can have strong evidence to recreate the scene.

1. Written Evidence
2. Presumptions
3. Testimony
4. Acknowledgment
5. Oath
6. Inspection and experience
7. Expertise

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There was a killing in Dubai and specifically in Al Qouz in the car garages. The murder happened around 3 AM the murder killed the victim by a hammer. We knew that because of the blood and the DNA in the hammer. I’ll walk you threw the crime. First we secured the crime scenes and we collected all the evidence in the crime and then we brought them back to the lab and sketched the crime in the lab to make sure that the murder killed the victim by a hammer and we used the chain of custody to label the evidence at the time of the crime. Finally we labeled the evidence to the murder. Finally we were able to catch him.

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First, make sure you're safe and protected.
Next, keep the area locked down, and only let the authorities in.
Take pictures of what's happening.
Draw a picture of the place and the important stuff in it.
Write down what you see.
Gather, put labels on, and pack up any proof you find.
Finally, write a report about everything, like when you got there and who saw what.

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The video was summarizing the crime scene investigation steps and how to sketch and north should be applied.

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A stabbing happened in Dubai mall.
Crime scene was secured.
They checked the fingerprints.
They checked the cameras.
They found some hair.
They checked the cameras.
They found what car he used.
They found his location from the car plate.
He got caught.
All evidences where saying it’s him.

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Preservation and proper collection of evidence.

Tailored to the scene’s size and characteristics.

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One time in Al aweer I was sitting in the farm and I heard an explosion and I went their and two cars collided with each other and 6 police cars and 1 helicopter came to investigate the situation.

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urvey Evidence Collection in UAE

The Video is taking about

1. Purpose & Permissions: Define survey purpose and secure permits.

2. Data Collection: Gather data using approved methods.

3. Reporting: Analyze findings and create a report.

4. Compliance: Ensure legal adherence and privacy.

5. Submission: Submit the report to UAE authorities.

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We can collect physical evidence at crime scenes, including fingerprints, dna, and footprints.

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What explanations can you formulate to account for the patterns witnessed in the
video during crime scene processing?

- In the crime scene, the area must be secured and protected from any external side even the police officer. Clues such as footprints, tools, and DNA. The crime scene must be photographed from different angles before transferring the evidence to the lab. The scene must be sketched. Finally, a report must be written