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Digital evidence is evidence where it can be used in court as well as it being electronic and stored in binary form.

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What are challenges associated with digital forensics?

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What are challenges associated with digital forensics?

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Sometimes evidence has to be encrypted/decoded to even be accessed. Another example of a challenge is protecting the evidence because of how difficult it can be to secure and know 100% that its safe. The fast changing and new developing technology can also pose an issue when investigating a case with digital evidence.

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Documentation and protection of evidence to ensure that, that piece of digital evidence remains good to use during the court of law.

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Investigators copy the piece of evidence then they secure the device and make sure that the original copy cannot be tampered with so it can be used in the court of law.

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Encryption is when people convert the evidence into a code to protect it and make sure that no one else can access it. This is a method of protection so people cannot tamper with it before it is used in the court of law.

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Digital evidence can be presented in multiple ways.

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Examples of digital evidence being presented

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Examples of digital evidence being presented

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-Computer documents related to a crime or where the document was part of the crime
- in-incriminating emails/ texts
-images / pictures of crimes or people doing crimes.
-Transactions or identity theft or proof of identity theft through transactions

For example if somebody goes and steals your wallet and tries to use your debit/credit card to buy a bunch of things at a store. There can be multiple pieces of digital evidence. To name a few you could use  pictures/ video recordings of the criminal entering or exiting or even purchasing products with your cards at a store. Which that also would involve transactions and computer documents and many other pieces of digital evidence.

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Dennis Rader or the BTK strangler/BTK Killer

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Dennis Rader or the BTK strangler/BTK Killer

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When/Where/Motive and what crimes were committed

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When/Where/Motive and what crimes were committed

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01/15/1974 in Wichita Rader sneaked thought the back door of the Otero family and cut the phone wire so nobody could call anyone. Rader Strangled the father Joe and the Mother Julie then proceeded to put a bag of their son Joeys head and kill him. Then lastly he took the daughter Josephine to the basement and hung her. Rader was sexually motivated on initial contact that made him murder the four of Otero members. Rader said in the courtroom that he had to kill Mr. Joe because he had no mask on and later would be traced down.

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Digital evidence used to catch BTK/Denis Rader

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Digital evidence used to catch BTK/Denis Rader

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When Rader/BTK was dropping off a package that was meant for law enforcement, he a drop point near a store and the stores camera caught a blurry view of him making the drop and leaving in a black jeep Cherokee. The piece that actually got him caught was a 1.44 megabyte floppy disk that he sent to his local fox tv affiliate. He deleted information off of the floppy disk and it was metadata that was embedded into something that was deleted off of the disk so investigators looked into it and turned out to say the words Christ Lutheran church and said the last edits that were made were made by a man named Dennis.

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It only took a total of nine days for the police to put the case fully together after getting the floppy disk. They figured out that Dennis was one of the council presidents at Lutheran Church. Also officers found a black Jeep Cherokee outside of Dennis's house which matched the video evidence from an earlier package drop off. But the evidence that the police had collected so far wasn't enough and it was only circumstantial. The police obtained a warrant to to a DNA test on one of his close relatives, (Dennis's daughter) she had PAP Smear done at Kansas states medical clinic. The DNA tests done matched the DNA under one of BTK's victims fingernails.

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The BTK killer or Dennis Rader waived his trial and confessed to murdering ten people.
-Kathryn Bright 21 in April 1974
-Shirley Vian  24 in March 1977
-Nancy Fox 25 in December 1977.
-Jan 15 1974 Joseph Otero, 38, and his 34-year-old wife, Julie, and their 11 and 9 year-old children

One of Rader's defense attorneys Steve Osburn said the prosecutors evidence against him included a confession, DNA evidence, and the "personal trophies" that he got from a few of his victims and that it was a very solid case. He also shared that some of the defense attorneys though about doing an insanity plea but from looking at it the legal way they had nothing to work with.

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Dennis Rader received a sentence of 10 consecutive life terms in prison which totaled up to be 175 years in prison with it not being possible for him to have the option to go on parole. He would have received the death penalty but since the death penalty was re-introduced in 1994 and he committed the murders before then they couldn't give it to him.

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Over the last 30 years of new developing technology it has made a serious change in modern law enforcement. Digital evidence is definitely just one of things that is invaluable because of how much easier it makes it for detectives to do their jobs and how many cases where criminals would still be out there if it wasn't for digital evidence. Its value comes from the fact that Digital evidence makes it where agencies can increase case efficiency and it also makes it easier for cases to be closed. There would still be multiple murderers and other criminals big and small out there if it wasn't for digital evidence. Digital evidence has helped tremendously through out multiple cases over the years.