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"Motives and Murder" is the investigative documentary program that follows law enforcement agencies, as police and crime scene technicians track down notorious killers. This program takes an in-depth look at the investigation process that the police and the FBI use as they investigate some of the brutal murders that are reported in the United States. One key investigative tool is understanding the motive behind the murder for a sense of getting inside of the mind of the murderer. Along with the police, to help solve a homicide are crime scene technicians and forensic scientists at state crime laboratories who are also in colaboration with the homicide investigation team.

A homicide investigation is a complex puzzle, each clue that is discovered by police is a piece of the larger puzzle of the motive. Depending if the killer has only one victim or in the case of a serial killer having multiple victims, investigators must make a profile of the crime as well as the killer who commited the murder, knowing that motive is the deciding key to solving the murder. Crimes of passion, revenge killings and sometimes the so called honor killings, all of these type of murders have motives attatched to them in some way or form.

Most people don't realize that a murderer can be someone they know in their neighborhood. In cases where a murder happens in a residential neighborhood, police will interview the neighbors of the victim as part of the investigative procedure. Discovering the motive behind the murder itself, this can bring police closer to solving a homicide case. Forensic evidence like DNA is used to identify both victims and killers from biological fluids and hair samples that is analyzed in a crime lab. No matter how long a homicide investigation is, forensic evidence is the one key in uncovering the evidence to help solve the murder.

Friday 10:00 PM et/pt on Investigation Discovery
5 Seasons, 56 Episodes - Currently Airing
April 6, 2012
Crime, Documentary & Biography, Mystery
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Motives and Murder Full Episode Guide

  • A popular college student is brutally stabbed to death during her first-ever night shift at a convenience store in Great Falls, Montana. The case goes unsolved for over ten years before an informant comes forward.

  • Authorities in Washington are stunned by the poisoning of a mother of three. The resulting murder investigation eventually reveals a pattern of tampered boxes and blister packs, more deaths, and a reptilian story of greed and betrayal.

  • After the mutilated remains of 17-year-old Shauna Card are discovered on the bathroom floor in her Orlando, Fla., home, the case goes cold.

  • A 20-year-old woman is shot in a Maryland suburb and with few leads and virtually no evidence, the case goes cold for 25 years before investigators finally close in on the killer.

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