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Digital forensics has changed a lot in the past thirty years. Thirty years ago the technology was less advanced and not widely available. Digital forensics was relatively new. Now digital forensics has expanded since technology has advanced and has become available for everyone. Digital forces is constantly changing since technology is constantly changing and advancing. This makes digital forensics a very useful resource since everyone uses some form of technology in their lives. In today's world digital evidence and cyber crimes are becoming more popular/frequent so the need for digital forensics is growing by every day. Without it many crimes would go unsolved and the crime rate would go up since we would not be able to do much with the digital evidence. Without digital forensics anything that involves technology would be of little to no use to investigators.

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He might have gotten Life with out possible parole if he went to trial and was convicted.

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Markoff never went to trial because he committed suicide in his jail cell while awaiting trial. Prosecutors say that the evidence against him was so overwhelming. If he would have went to trial there was plenty of evidence to get convicted. Prosecutors say that he would have been convicted guaranteed.

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Police found a semi-automatic gun hidden in a hollowed out Grey's Anatomy of the Human Body book, duct tape, zip ties/hand ties, bullet casings, a knife, victims underwear, blood stains that were found on his shoes when police took him into custody that matched blood from murder victim Julissa Brisman, and photos sent to a transsexual hookup on craigslist from Markoff. All of this evidence except the blood stain is circumstantial and physical. The blood stain is circumstantial biological

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There was hotel video surveillance, audio of the accused killer, Markoff meet his victims through Craigslist, there was disposable phones, and emails that incriminated Markoff. The video puts Markoff at the location were Brisman was murdered.

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Police investigators believe that his motive for the crimes was to pay off gambling debts since he maintained his innocence.

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He was believed to have committed 3 armed robberies with one of those robberies resulting in the murder of the victim, Julissa  Brisman. He faced 7 charges which included first degree murder, kidnapping, and armed robbery and weapons violations.

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There where three crimes. One was in Warwick, Rhode island on April 16, 2009. The other two where committed in Boston, Massachusetts on April 10, 2009 and April 14, 2009.

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All evidence is presented as a exhibit. The digital evidence can be printed on paper, emailed to the court, or transferred to a moveable storage device. All evidence must get to the court at one point to another.

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Encryption is the scrambling of words or data so that only certain people can understand the words or data. This can make analyzing digital evidence very difficult since they have to get past the encryption before they understand the data.

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There are three main ways to preserve digital evidence. Forensic investigators can perform drive imaging, they use hash values and they use a chain of custody. Hash values are connected to a image that they can analyze and if someone even alters the image just a little bit the hash values change causing the image to change.

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The chain of custody for digital evidence starts with the proper collection and handling of digital evidence. The chain of custody for digital evidence is a record of how the evidence was collected, where it was collected from, the date it was collected, and who has accessed it. This helps preserve the digital evidence so it can be used in court.

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Some devices have added security and access control software. The constant updating technology like phones are changing and this causes equipment to become out of date often. Encryption can make analyzing and gathering evidence hard.

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It is the process of recovering and preserving data from a digital source and then explaining it. Any thing from phones to computer hard drives to a text message is going to be used in digital forensics.