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"Forensic Files" documents the use of forensic investigation techniques to solve crimes and mysteries. After a crime is reported the crime scene technicians will collect items that can contain forensic evidence that will be investigated later in criminal a laboratory. From DNA to spent bullet casings, no matter how small the clue might be during an investigation, it only takes one to make a break in an active case investigation. Other methods of the use of forensics includes the analysis of handwriting on a document or an old postcard. In one case a suspected war criminal wanted for war crimes in Romania during World War II was brought to justice all from an old postcard sent from Germany during the war.

Forensics are often used in cases involving serial killers that are at large. Along with the criminal profile is the forensic evidence left behind at the dump sites where the victims were discovered. Careful testing, plus the aid of a overall profile of the offender will often lead to the capture of a serial killer. When a homicide is reported to law enforcement that isn't a serial case, the same rules apply for investigators to use both forensics and profiles.

Many times the motive for a murder can be tied to a hidden affair ending very badly, leaving a person dead instead of the affair being exposed. Here again the use of forensic investigative techniques is crucial to finding out who the offender is and the possibility of saving someone else from being killed. Attacks that involve groups against a victim are a little tricky to crack, because the group that allegedly committed the crime will often stay silent. Using trace evidence as tool in an investigation into a gang attack is very useful, in one instance a wad of chewing gum can contain a lot of evidence.

Forensic testing of clues taken from a crime scene often leads to cases being closed after hard work being put in by investigators. Whether tracking down criminals that committed one crime, to finding a war criminal after years of being in hiding the use of forensics is key to solving every criminal puzzle.

Fridays at 10:00 PM on truTV
15 Seasons, 444 Episodes - Currently Airing
Documentary & Biography
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Forensic Files Full Episode Guide

  • The killer was meticulous, washing everything at the scene, including the victim’s body. The only definitive evidence was a single hair. Three years later he struck again and, this time, what he left behind would prove he committed both crimes.

  • Police receive a 9-1-1 call from a boy who discovers his dead father. When investigators arrive at the scene, an unknown male suspect is inside. But ballistic evidence points to someone else. When cell phone forensics clear the only suspect, police must rely on DNA evidence to find the real killer.

  • When a young woman disappears, police point fingers at her ex-boyfriend. But when her vehicle is discovered with a strange set of keys inside, investigators can't match the keys to the suspect or the victim. A stain on a carpet finally solves the case.

  • Just a day after 9/11 in a town 200 miles away from the World Trade Center, a mother of four vanishes overnight without a trace. Police rely on blood spatter to solve the case.

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