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All Seasons

Season 1

  • S01E01 Double Jeopardy

    • October 22, 2008
    • Investigation Discovery

    Reconstructing the investigation into the murder of a man at an Ohio gas station. The case quickly revealed a web of secrets and lies connected to one of the community's richest families.

  • S01E02 Disturbed

    • October 29, 2008
    • Investigation Discovery

    A long-closed case is re-examined.

  • S01E03 Betrayed

    • November 5, 2008
    • Investigation Discovery

    A former police officer comes home to find is whole family murdered; forensic evidence points to the former officer as a suspect despite his alibi.

  • S01E04 Femme Fatale

    • November 12, 2008
    • Investigation Discovery

    Paul Solomon returns home to find his wife dead on the living room floor.

  • S01E05 Flesh and Blood

    • November 19, 2008
    • Investigation Discovery

    Nursing assistant Gail Miller is found dead in an alley, stabbed fourteen times with a paring knife.

  • S01E06 Immortal

    • November 26, 2008
    • Investigation Discovery

    Horror stocks a sleepy Welsh village, when a woman is butchered in Cold Blood. The grizzly evidence suggests a ritual sacrifice. Rumors and legends scatter police in all directions. Can forensic science reveal the madman behind the slaughter?

  • S01E07 Blood on the Snow

    • December 3, 2008
    • Investigation Discovery

    Nursing assistant Gail Miller is found dead in an alley, stabbed fourteen times with a paring knife.

  • S01E08 Friends and Neighbors

    • December 10, 2008
    • Investigation Discovery

    A 6-year-old girl witnesses the murder of her grandmother, and identifies her uncle as the attacker.

  • S01E09 Strangler

    • December 18, 2008
    • Investigation Discovery

    Cheryl Miller, a co-ed from Delta College in Saginaw, Mich., is found strangled in her bedroom.

  • S01E10 Conspiracy

    • January 7, 2009
    • Investigation Discovery

    A 78-year-old woman's body is found in the English countryside.

Season 2

  • S02E01 Ivy League Murder

    • November 5, 2009
    • Investigation Discovery

    Two Dartmouth College professors are stabbed and left for dead in their home; the murder weapon and a bloody footprint hold the key to solving the crime.

  • S02E02 Dead of Night

    • November 12, 2009
    • Investigation Discovery

    A woman's body is found bound and gagged in an abandoned kindergarten in England; police have no evidence, suspect or witness except for a shoe print found at the scene.

  • S02E03 Haunted House

    • November 19, 2009
    • Investigation Discovery

    The body of an 87-year-old woman is found inside her home; investigators find a forged note addressed to the milkman.

  • S02E04 Presumed Dead

    • November 19, 2009
    • Investigation Discovery

    When 25-year-old Amy St. Laurent disappears, her mother immediately suspects foul play and kicks off a missing person's poster campaign.

  • S02E05 Poison Pen

    • November 21, 2009
    • Investigation Discovery

    As evidence of a murder that has been committed piles up, so does the confusion.

  • S02E06 Shortcut to Murder

    • November 23, 2009
    • Investigation Discovery

    A docudrama on the investigation of the rape and murder of a young university student, Sarah Whitehead, in a small northern community in the Canadian province of Ontario.

  • S02E07 Close to Home

    • November 30, 2009
    • Investigation Discovery

    The body of a 15-year-old girl is found under a slide in the park.

  • S02E08 Trail of Blood

    • December 3, 2009
    • Investigation Discovery

    The body of a high-profile anti-crime activist is found butchered beyond recognition; police uncover a dark side to the victim's personal life.

  • S02E09 Kill your Parents

    • December 10, 2009
    • Investigation Discovery

    On New Year's Eve 1991, 45-year-old Catherine Carroll is stabbed 53 times and dies on the bathroom floor. Her 19-year-old son, Greg Parsons, discovers the grizzly scene and charged with murder. Neighbors testify that his mother was terrified of him. And when police uncover a song by his band called 'Kill Your Parents', Greg is eventually sentenced to life in prison. When DNA evidence finally exonerates him years later, police try to revive the stone cold case.

  • S02E10 Cherry Hill Murder

    • December 17, 2009
    • Investigation Discovery

    A New Jersey rabbi returns home to find his 52-year-old wife dead on the living room floor.

  • S02E11 Death by Numbers

    • January 21, 2010
    • Investigation Discovery

    Just after midnight on Saturday, August 27th 1988, driving instructor Keith Slater is woken by his doorbell. As he opens the door a man asks, `Keith Slater?' before knifing him in the throat.

  • S02E12 Dirty Deeds

    • January 28, 2010
    • Investigation Discovery

    A woman is shot several times while driving home from choir practice.

  • S02E13 Making a Killing

    • February 4, 2010
    • Investigation Discovery

    A real estate agent is found stabbed to death in a model home that she uses to show clients; fingerpirnts and trace evidence are next to useless because of the number of people who have been through the home.

  • S02E14 Death of a Beauty King

    • February 11, 2010
    • Investigation Discovery

    Constantine Dean Milo is found shot to death in the foyer of his home; police find random clues around his house.

  • S02E15 The Song

    • March 7, 2010
    • Investigation Discovery

    Woman stabbed 53 times and dies on bathroom floor and neighbors testify that she was terrified of her 19-year-old son.

  • S02E16 Fugitive Justice

    • June 4, 2010
    • Investigation Discovery

    Based on a true story, fugitive Sam Sheppard is found guilty of killing his wife despite his pleas of innocence.

  • S02E17 Family Secrets

    • June 11, 2010
    • Investigation Discovery

    In the summer of 1966, Darlie Routier places a panicked 911 call stating an intruder fatally stabbed her two sons, and wounded her as well; after an investigation full of unexpected twists, authorities charge Darlie with the murders.

  • S02E18 Deadly Dance

    • June 18, 2010
    • Investigation Discovery

    Woman found dead and her husband who was drunk that evening confesses to her murder but none of the evidence points to him.

  • S02E19 Dead in the Water

    • June 25, 2010
    • Investigation Discovery

    A body is hauled out of the English Channel, however it is still very much alive and raising a family.

  • S02E20 High Rollers

    • July 2, 2010
    • Investigation Discovery

    Ted Binion at the Las Vegas casino tells his lawyer to remove his girlfriend's Sandy's name from his the will if she doesn't kill him tonight.

Season 3

  • S03E01 Death of a Dentist

    • October 19, 2010
    • Investigation Discovery

    A sleepy Pennsylvania town is rocked when a popular dentist is discovered lying in a pool of blood.

  • S03E02 Murder in Modesto

    • October 26, 2010
    • Investigation Discovery

    Mother found brutally murdered in her California home and her mother leads a campaign that is the key to finding her daughter's killer.

  • S03E03 The Murder that Divided Boston

    • November 2, 2010
    • Investigation Discovery

    In Boston, a man calls 911 to say his wife has been shot by a black man, and racial tensions run high as police scour the city hunting for the suspect.

  • S03E04 Ties that Bind

    • November 9, 2010
    • Investigation Discovery

    The body of a dismembered woman in a series of plastic bags is found floating and an autopsy finds she also suffered multiple gunshot wounds to the head.

  • S03E05 Hollywood Homicide

    • November 16, 2010
    • Investigation Discovery

    A photographer from Switzerland is brutally murdered in his Los Angeles home.

  • S03E06 Gainesville Ripper

    • November 23, 2010
    • Investigation Discovery

    A serial killer is on the loose in the college town of Gainesville but police fail to establish a forensic link and the case goes cold.

  • S03E07 Deadly Inferno

    • November 30, 2010
    • Investigation Discovery

    A series of violent crimes points to a serial killer with the taste for elderly women and fire.

  • S03E08 The Trial of Amanda Knox

    • April 20, 2011
    • Investigation Discovery

    An international media sensation erupts when a British exchange student is brutally murdered in the Italian university town of Perugia. With her throat slashed, Meredith Kercher's half-naked body is found in her locked bedroom. And, with the case making headlines around the world, police are under tremendous pressure to find a culprit fast.

  • S03E09 Rotten to the Core

    • April 27, 2011
    • Investigation Discovery

    When the nude body of a young woman is found in an abandoned orchard, all of Grand Rapids, Michigan, is on edge. After all, this is Middle America and murders like this don't happen here. Even worse, the teenage girl was strangled. It takes a few days for police to identify her as 15-year-old Deanna Gillean — a popular and promising high school student from a rundown part of town. The police quickly hone in on her father, Sam Gillean — a man with a serious drinking problem. After all, he and Deanna fought the night she disappeared, and he failed to report her missing for two days. Her brother and his rowdy friends, and a local sex offender are also on the list of suspects. But with almost no evidence and leads that go nowhere, the mystery lies dormant for almost a decade. That is, until a grand jury dusts off the case and discovers the truth had been there all along.

  • S03E10 Burning Betrayal

    • May 4, 2011
    • Investigation Discovery

    When a pretty and popular Brooklyn college student disappears after a night out in Manhattan, her wealthy father files a missing persons report. Police are convinced she's been abducted. And tragically, just two days later, her charred remains are discovered in the basement of an abandoned home in Queens. With little forensic evidence, investigators begin piecing together a case. And when they learn the victim — 20-year-old Kim Antonakos — liked to hang out with gangster-types, they assemble a list of possible culprits, including an ex-boyfriend nicknamed Psycho. They suspect it was a crime of passion. That is, until they receive an anonymous tip about a kidnapping attempt gone wrong…

  • S03E11 Seven in the Cooler

    • May 11, 2011
    • Investigation Discovery

    In one of the most shocking crimes in Chicago's history, seven fast food workers are gunned down and their bodies left in the restaurant's walk-in freezer. With the suburb of Palatine reeling, and the media clamoring for answers, police struggle to piece together the deadly puzzle.

  • S03E12 Date with Death

    • May 18, 2011
    • Investigation Discovery

    In the dead of night on a lonely San Diego highway, firefighters find a charred body in a burned out convertible. Shot twice in the head before being set ablaze, the victim is David Stevens — an amateur bodybuilder and Nebraska native. But just who would want to kill the man described by friends as a naïve and easygoing 'good ole boy'? The only clue for investigators — Stevens' unkempt bed — reveals he had sex with a mystery woman hours before he was murdered. A voodoo priestess, a stripper and an ex-con make the list of possible suspects. And when the investigation stalls, the victim's family hires their own private investigator. After a series of false leads, the bizarre case eventually goes cold. That is, until a woman makes a sensational confession, and a sordid tale of jealousy, sex and cold-blooded murder is finally revealed.

  • S03E13 Fast Food Fatality

    • May 25, 2011
    • Investigation Discovery

    Just outside Memphis, an affluent Tennessee community is stunned when, in the early morning hours, a gentle, much-loved McDonalds manager is brutally attacked and left for dead on the floor of the restaurant. In critical condition, she's rushed to the hospital where she dies soon after.

Season 4

  • S04E01 Island of Lies

    • October 11, 2011
    • Investigation Discovery

    It's up to one detective to get a victim's family some justice.

  • S04E02 Unnatural Causes

    • October 18, 2011
    • Investigation Discovery

    An 84-year-old is brutally raped and murdered in her senior living community.

  • S04E03 Road to Murder

    • October 25, 2011
    • Investigation Discovery

    A runaway is found raped and strangled to death on the side of a San Diego road.

  • S04E04 In Plain Sight

    • November 1, 2011
    • Investigation Discovery

    In Colorado, investigators question a man with a criminal past after his wife is found raped and strangled to death.

  • S04E05 Friend or Foe

    • November 15, 2011
    • Investigation Discovery

    In Nebraska, a man returns home to find his mother and father shot to death, while nothing of value is missing.

  • S04E06 Shot in the Park

    • November 22, 2011
    • Investigation Discovery

    When two men are gunned down in Minneapolis, an anonymous letter points to the possible culpability of anti-gay group.

  • S04E07 The Rolex Murder

    • November 29, 2011
    • Investigation Discovery

    A family man is shot in the head.

  • S04E08 Home Invasion

    • December 6, 2011
    • Investigation Discovery

    A teenage girl is found raped and murdered in her home.

  • S04E09 The Day the Music Died

    • December 14, 2011
    • Investigation Discovery

    A single mother is savagely beaten while sleeping.

  • S04E10 The Lost Boy

    • December 20, 2011
    • Investigation Discovery

    Six-year-old Adam Walsh is abducted from a department store and later found murdered, prompting his father, John Walsh, to become an advocate for victims' rights and fostering the formation of the National Center for Missing & Exploited Children.

Season 5

  • S05E01 Framed

    • April 5, 2012
    • Investigation Discovery

    A 21-year-old Oklahoma woman is found raped, beaten, and strangled in her home; it takes years to answer her family's questions about who took her life.

  • S05E02 On Her Own

    • April 12, 2012
    • Investigation Discovery

    Winston-Salem in 1982 is a city divided by race. And when a young white copy editor is raped and stabbed to death blocks from where she worked, the atmosphere is tense. Twenty years pass before Deborah Sykes' killer finally faces justice once and for all.

  • S05E03 Evil Twin

    • April 19, 2012
    • Investigation Discovery

    Shock waves ripple throughout Clearwater, Florida, when an attractive waitress is found on her bedroom floor stabbed 16 times. As years pass and the case goes cold, police fear DNA might not even find justice for Laura Colannino.

  • S05E04 Shot in the Dark

    • April 19, 2012
    • Investigation Discovery

    Police think the murder of a promising college football player at his 21st birthday party could have been a planned killing.

  • S05E05 Murder on the Menu

    • May 3, 2012
    • Investigation Discovery

    Police launch a very risky plan that could let a killer go free when a Pennsylvania chef is found shot to death in his office.

  • S05E06 Park Slope Justice

    • May 10, 2012
    • Investigation Discovery

    A murderous attack in Park Slope, Brooklyn, leaves Sylvia Lugo dead and her girlfriend, Amanda Leach, raped and shot in the leg. Police struggle to pin down an assailant without any hard evidence, resulting in Leach being pegged as the prime suspect.

  • S05E07 Philadelphia's Night Stalker

    • May 17, 2012
    • Investigation Discovery

    A Wharton business student is found raped and strangled to death; a connection is made with other rapes in the same area.

  • S05E08 Dreams That Kill

    • May 24, 2012
    • Investigation Discovery

    When Rachel Kosub is discovered naked, brutally raped, and strangled to death on her office floor, San Antonio police question who could commit such a vicious murder. They struggle to identify a killer until DNA analysis cracks the case, 20 years later.

  • S05E09 Nightmare in Nashville

    • May 31, 2012
    • Investigation Discovery

    Tennessee fast food restaurants are rocked by murder; while police hunt for the killer, the body count rises.

  • S05E10 The Truth Hurts

    • June 15, 2012
    • Investigation Discovery

    The wife of a property developer falls to her death; too much blood at the scene makes police suspicious.