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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.

Motives and Murder is a Crime, Documentary & Biography, Mystery series that is currently running and has 5 seasons (56 episodes). The series first aired on April 6, 2012.

Motives and Murder is available for streaming on the Investigation Discovery website, both individual episodes and full seasons. You can also watch Motives and Murder on demand at Vudu, iTunes online.

Friday 10:00 PM et/pt on Investigation Discovery
5 Seasons, 56 Episodes
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.

  • Country singer Melissa Haferman has just recorded her first CD in Nashville when her body is discovered in a vacant lot near the Louisville, Kentucky bus depot. It takes four years to find her killer.

  • The residents of Kilgore, Texas are disturbed by the execution-style slaying of five people abducted from a fast-food restaurant. But it will take several decades and major advances in DNA technology before the perpetrators can be brought to justice.

  • A massive media campaign is launched after a single mother is murdered.

  • The rape and murder of a 19-year-old journalism student goes unsolved and is added to a string of unsolved homicides in a college town.

  • Investigating the kidnapping of 12-year-old Polly Klaas who was abducted during a slumber party at her home.

  • When Cathy Lamb is brutally murdered in her Palm Beach, Florida home, the only witnesses are her three blood-soaked dogs.

  • Single mother Donna Kitowski heads to a Las Vegas supermarket late at night and then vanishes.

  • When a woman's skull is discovered on a stretch of Florida highway, investigators try to identify her and figure out what happened.

  • Investigating the case of a missing flight attendant.

  • Bob Henry is shot and killed outside of his Tacoma, Washington work site. The execution-style murder looks like a professional hit. But officials must find the murder weapon to prove it.

  • When John and Nancy Bosco are shot at close range in their Bigfork, Montana home, detectives run out of leads quickly. John's mother eventually turns to an unorthodox source for help.

  • A pillar of the Haitian community in Spring Valley, New York, is shot in his own driveway.

  • In Boston, 18-year-old Amy Roman is found slain in her South End apartment. Police believe she knew her killer, but the case goes cold. Her family takes it upon themselves to find the truth.

  • A woman's body is dumped alongside a road near Tampa, Florida. Within the next year, two more bodies are also discovered. Detectives fear a serial predator is on the prowl, but the investigation will take years.

  • Fourteen-year-old Karen Slattery is brutally stabbed and raped while babysitting in South Florida's upscale Delray Beach. The case goes cold, until a nearly identical crime takes place in Boca Raton.

  • An expectant Florida couple is strangled to death in their home. Suspicions about drug smuggling and an aviation deal gone wrong lead detectives to Belize, but is this the direction they should be looking?

  • A beautiful young violinist is murdered at the venerable Metropolitan Opera House in Manhattan and the story becomes an international scandal.

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