All Seasons

Season 1

  • S01E01 The Poughkeepsie Killer

    • June 4, 2012
    • Investigation Discovery

    Kendall Francois is a john who frequents the Poughkeepsie, NY streets where he lives. For over two years, he picks up and murders eight prostitutes and is only discovered when the would-be ninth victim escapes and reports him to police. Over a two year period, eight women disappear from Poughkeepsie, NY. All of the women are prostitutes who work in the area. Several suspects come to light, but no evidence can ever be connected to them. Then in September 1998, a prostitute tells police that Kendall Francois tried to kill her. He had been questioned previously but said nothing incriminating and even passed a lie-detector test. When he finally confesses, a search of his home reveals eight bodies.

  • S01E02 The Perverted Preacher

    • June 11, 2012
    • Investigation Discovery

    When Arletha Hopkins learns that her husband is abusing her daughter she kicks him out. He exacts revenge by killing her and forcing the girl to help hide the body. No one finds out till years later when she becomes pregnant and the story spills out. Anthony Hopkins is a traveling preacher in Mobile, Alabama. Left with eight children to raise after his wife purportedly leaves him, he tells his congregation that she died giving birth. But it's not as it seems — Hopkins was forcing his stepdaughter to engage in sexual acts. When his wife finds out, he kills her and forces his stepdaughter to help him conceal the body. No one finds out until years later, when the girl becomes pregnant with his child and the harrowing story spills out.

  • S01E03 The Killing Cousins

    • June 18, 2012
    • Investigation Discovery

    Profiling serial killer and rapist David Alan Gore and his accomplice, his cousin Fred Waterfield.

  • S01E04 The Love Slave Murders

    • June 25, 2012
    • Investigation Discovery

    The heinous crimes of Gerald and Charlene Gallego, a married pair of serial killers, are detailed.

  • S01E05 Friendly Fire

    • July 2, 2012
    • Investigation Discovery

    Career criminal Gary Evans is suspected to be behind the disappearance of one of his former associates. After an intense manhunt, Evans is apprehended in Vermont and confesses to a life filled with crime and killing, with five murders to his credit. Gary Evans makes his living robbing antique stores throughout New York State and is well known by police in the area. After two years of having no contact with him, police are thrust back onto his path in late 1997 — a path that is littered with bodies of his former associates and a few store owners who didn't get out of the way fast enough. Evans is eventually captured and confesses to the murders before killing himself, having never been prosecuted.

  • S01E06 A Deadly Divorcee

    • July 9, 2012
    • Investigation Discovery

    Elizabeth Gatenby's mother is in the process of divorcing unsuspecting husband, Bruce Firman. In an elaborate plan to ensure her mother gets everything, Elizabeth hires her son and another young man to murder Bruce. Bruce Firman is found dead in his garage by soon to be ex-wife, Margaret Benesch, and her daughter, Elizabeth Gatenby. Suspicion immediately falls on Benesch — as the sole heir in Firman's will, she is entitled to receive everything, but produces a rock-solid alibi. When investigators dust Gatenby's rental car for fingerprints, one match those of a 17-year-old teenager. He said he'd been hired to kill Firman by Gatenby's son, Byron, who confesses that his mother planned it all.

  • S01E07 The Campus Killer

    • July 16, 2012
    • Investigation Discovery

    In 1980, Jamie Kellum kills college friend, Katherine Foster, in a fit of jealous rage. Two decades later, Kellum, now Jamie Letson, tells her AA sponsor of her crimes, leading police to make an arrest in a 20 year old case. The body of Katherine Foster is discovered at the University of Alabama. A student reports hearing gunshots the night before she was found, leading police to conclude that Foster was shot and left in the woods. Suspicion falls on a campus security guard, an apparent suicide who was obsessed with Foster's murder. The guard is cleared and the case goes cold for two decades before a whispered confession to an AA sponsor leads police to arrest and convict Jamie Letson, a friend of Katherine's.

  • S01E08 The Bad-Tempered Boyfriend

    • July 23, 2012
    • Investigation Discovery

    Erin Chorney is missing for over a year. Police suspect her boyfriend but have no evidence. In an elaborate sting operation, police officers convince Chorney's killer to tell them how he strangled her to death. 18 year old Erin Chorney goes missing. Investigators immediately suspect her abusive boyfriend, Michael Bridges, but do not have enough evidence to arrest him. Over a year later, they turn to police for help. Officers go undercover as figures in charge of a powerful criminal organization. They tell Bridges that if he comes clean about his past, they will be able to trust him to join their association. When Bridges confesses to murdering Chorney, police move in and finally get their man.

  • S01E09 The Woodchipper Killer

    • July 30, 2012
    • Investigation Discovery

    A woman goes missing after a Connecticut snowstorm and her husband claims she has left him for another man, but an eyewitness tells a gruesome tale.

  • S01E10 The Woeful Widow

    • August 6, 2012
    • Investigation Discovery

    Stacey Castor poisons her first husband with antifreeze and gets away with it. She is only caught after killing her second husband the same way and attempting to murder her daughter and frame her for both deaths. Investigators find David Castor dead with a glass of bright green liquid nearby. His wife Stacey's fingerprints are on the glass and police locate a turkey baster in the garbage with David's DNA on the tip. They suspect Castor poisoned her husband. As evidence against her mounts, her daughter Ashley is found unconscious with a note proclaiming she killed David. Upon Ashley's recovery, Stacey is found to have poisoned both of them — and her first husband too.

  • S01E11 The Cabbie Killer

    • August 13, 2012
    • Investigation Discovery

    Police find five bodies of young women, all strangled with a particular slipknot. Eventually they tie Paul Durousseau to the murders through DNA samples, fibre analysis, and phone records from the cab he drove. Nikia Shanell Kilpatrick, 19, is found bound and strangled with a cord in her Jacksonville, Florida apartment. Within a month, three more bodies are discovered and attributed to the same killer, each found strangled with a cord fashioned into a peculiar slipknot. Police begin to find links - including DNA samples, fiber analysis, and cab and cell phone records — connecting taxi driver Paul Durousseau to the murders. He is eventually convicted of five counts of first-degree murder.

  • S01E12 The Insidious In-law

    • August 20, 2012
    • Investigation Discovery

    Greg Markwardt kills his sister-in-law, Kathy Odom, in 1987. He remains free for nearly two decades, but new DNA techniques allow a lamp cord from the scene to be tested, proving his DNA to be a match and forcing his arrest and subsequent conviction. In 1987, Kathy Odom is found stabbed to death in her home. There are several signs suggesting that she knew her attacker, but detectives cannot make an arrest. Years later, a new technique is developed that allows DNA to be collected from items used in a murder. The lamp cord that was tied to Odom's wrist is subsequently tested for DNA. Her brother-in-law, Greg Markwardt, turns out to be a match for the profile and after fifteen years, is arrested for the murder of Kathy Odom.

  • S01E13 Candy Man

    • August 27, 2012
    • Investigation Discovery

    In 1973, police unearth more than two dozen bodies after receiving a telephone call from a young man saying he had killed Dean Corll, aka the Candy Man.

  • S01E14 Yosemite Park Murder

    • September 3, 2012
    • Investigation Discovery

    The crimes of Cary Stayner, who killed four women near Yosemite National Park, are recounted.

  • S01E15 A Deadly Disappearance

    • September 10, 2012
    • Investigation Discovery

    Police find a stolen, blood-stained SUV across from missing Susan McFarland's home. Evidence links both a suspicious man and her husband, Richard, to it. When police finally find Susan's body, they tie it to Richard via a left-behind candy wrapper.

  • S01E16 The Wilderness Murders

    • September 17, 2012
    • Investigation Discovery

    Charla Toma has gone missing, and Ricky Dale Hemphill is found murdered after a picnic in Oregon. Police follow a tip that leads to former convict Edward Delen Warren.

  • S01E17 Nightstalker

    • September 24, 2012
    • Investigation Discovery

    Richard Ramirez is arrested after six months of terrorizing people by entering their homes in the middle of the night.

  • S01E18 The Menthol Murderer

    • October 1, 2012
    • Investigation Discovery

    Police find the body of a missing 10-year-old girl in a stream; DNA evidence is used to find the killer.

  • S01E19 The Missing Mom

    • October 8, 2012
    • Investigation Discovery

    Police turn their attention to a husband after he reports his wife missing.

  • S01E20 The Blacktown Boys

    • October 15, 2012
    • Investigation Discovery

    A beauty queen's body is found in a field near Sydney Australia; the accounts of eyewitnesses point to a local gang leader.

  • S01E21 Terror by Text

    • October 15, 2012
    • Investigation Discovery

    The wife of a pastor is found murdered in her bed; a text message shows that the pastor was having an affair with his nanny.

  • S01E22 The Silent Sniper

    • October 22, 2012
    • Investigation Discovery

    In Ohio, Claude Hawkins is shot to death while fishing; his murder is similar to deaths in nearby counties.

  • S01E23 Doctor of Death

    • October 29, 2012
    • Investigation Discovery

    The death of a patient of a respected neurologist raises suspicion; an autopsy show the man died of natural causes

  • S01E24 The Laser Man

    • November 5, 2012
    • Investigation Discovery

    A man shoots immigrants on the streets of Stockholm, Sweden, using a laser-guided rifle.

  • S01E25 The Happy Face Killer

    • December 12, 2011
    • Investigation Discovery

    A couple is found guilty of the rape and murder of Taunja Bennett until a letter signed with a happy face confessing to the crime is sent to a Portland newspaper.

  • S01E26 The Slave Master

    • November 19, 2012
    • Investigation Discovery

    Several women from Kansas City go missing after going to Missouri to meet a man they met online.

  • S01E27 The Abducted Atheist

    • November 26, 2012
    • Investigation Discovery

    Atheist Madalyn Murray O'Hair vanished in 1995 with her family leaving a sinister note claiming a family emergency.

Season 2

  • S02E01 The Executioner

    • July 1, 2013
    • Investigation Discovery

    Three unrelated attacks have police baffled; the evidence shows something nobody expected.

  • S02E02 The Backpack Killer

    • July 1, 2013
    • Investigation Discovery

    Backpackers begin to go missing in New South Whales, Australia.

  • S02E03 BTK Strangler

    • Investigation Discovery

    A disturbing letter helps to capture the BTK Strangler.

  • S02E04 Serial Slasher

    • July 8, 2013
    • Investigation Discovery

    A slew of stabbings in Michigan have police looking for a serial killer.

  • S02E05 Truck Stop Killer

    • July 15, 2013
    • Investigation Discovery

    A man murdering people at truck stops finally sent to prison, thanks to the dedication of one Nashville detective.

  • S02E06 In Too Deep

    • July 22, 2013
    • Investigation Discovery

    When a governor's aide goes missing, the investigation reveals a love triangle.

  • S02E07 Party to Death

    • July 29, 2013
    • Investigation Discovery

    Two men are killed by masked gunmen who crash a house party.

  • S02E08 Monsters of the Night

    • August 5, 2013
    • Investigation Discovery

    A 12 year old's disappearance could be linked to a serial killer, whose victims are usually couples.

  • S02E09 Rave Rage

    • August 12, 2013
    • Investigation Discovery

    Investigators find answers to a young woman's murder in the world of drugs and dancing.

  • S02E10 Thrill Kill

    • August 19, 2013
    • Investigation Discovery

    A college student finds his family murdered in their home; police are baffled when all of their suspects have solid alibis.

  • S02E11 The Ghost of Baton Rouge

    • August 26, 2013
    • Investigation Discovery

    A man charms his way into women's homes, then rapes and murders them.

  • S02E12 Deadly Obsession

    • August 26, 2013
    • Investigation Discovery

    A house fire covers up the murder of an entire family.

  • S02E13 The Arbitrary Assassins

    • April 6, 2016
    • Investigation Discovery