Unusual Suspects

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Sunday 10:00 PM on Investigation Discovery Premiered Jan 01, 2010 In Season

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  • Season 6 (16)
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  • No Mercy

    Full Episode

    S 4 : Ep 12 - 12/2/12

    In 2001, a mother of triplets is found strangled in her Puyallup, Washington home. Was she the victim of dangerous obsession, or a classic love triangle? As investigators piece together the victim's final moments, a shocking killer is revealed.moreless
  • Killings in Kentucky

    Full Episode

    S 4 : Ep 11 - 11/25/12

    On a winter morning in 1993, a beloved veterinarian and his wife and son are viciously gunned down in their rural Kentucky home. Investigators leave no stone unturned as the bitter truth behind this tragic, triple-slaying is revealed.moreless
  • City Under Siege

    Full Episode

    S 4 : Ep 10 - 11/18/12

    In 2006, a 20-year-old female is brutally gunned down while walking home from her shift at a Scottsdale, AZ nightclub. Could her death be connected to a violent shooting spree plaguing the area? A tip reveals the gunman's shocking identity.moreless
  • Unusual Suspects

    Full Episode

    S 4 : Ep 9 - 11/11/12

    June, 1993, a California mother-of-two is found strangled in her home. Was she silenced by her estranged husband? An obsessed coworker? A fledgling serial killer? Undaunted, a veteran detective uncovers evidence that brings a killer to justice.moreless
  • Murder on the Menu

    Full Episode

    S 4 : Ep 8 - 10/28/12

    April, 2004, the dismembered body of a chef is found in trash bags along a highway. Detectives grill everyone from a bitter, estranged wife to a blade-happy sous-chef. Finally, the bones give investigators the twisted answer to a bloody puzzle.moreless
  • A Bike Ride to Murder

    Full Episode

    S 4 : Ep 7 - 10/21/12

    In 1991, the brutalized body of a San Diego girl is found in a weed-choked canyon. Could a close encounter with a church-going couple reveal a dark secret and the identity of a child killer? Detectives unearth a shocking truth no one can believe.moreless
  • Gruesome Discovery

    Full Episode

    S 4 : Ep 6 - 10/14/12

    In 1994, the brutalized body of a young mother is found in a 55-gallon trash barrel. Did she get caught in a love triangle, or did a coworker's obsession go to far? When the shocking truth is untangled, a vicious killer faces final justice.moreless
  • Mother's Day Murders

    Full Episode

    S 4 : Ep 5 - 10/7/12

    In 1985, a young military wife and two of her three little girls are viciously murdered in their home. In a twisted case filled with unusual suspects, the man who gets convicted goes free. But nothing is what it seems.moreless
  • Blood Trail

    Full Episode

    S 4 : Ep 4 - 9/30/12

    In 1999, Theresa Wesolowski of Germantown, WI is found with 46 stab wounds. Unraveling the complex mystery, investigators find a tiny clue that finally nails the killer, hiding in plain sight.
  • Wolf in Sheep's Clothing

    Full Episode

    S 4 : Ep 3 - 9/23/12

    "In 1995, 8 year-old Maria Piceno of Lemoore, CA is abducted near her home. When her body is recovered, the search for a missing girl turns into a hunt for a vicious killer. Could one woman\'s searing memories be the key to a shocking truth?moreless
  • The Perfect Suspect

    Full Episode

    S 4 : Ep 2 - 9/16/12

    "Between 1993 and 1996, the rape and murder of three Arkansas women puts local detectives on the trail of a sadistic killer. In their hunt for the truth, investigators learn that nothing in these cases is cut and dry.moreless
  • Pure Evil

    Full Episode

    S 4 : Ep 1 - 9/9/12

    "In 1995, the body of a Chicago woman is found dumped on a Wisconsin highway. Was she the victim of a lover\'s spat turned deadly? Did she run afoul of local criminals? Investigators uncover the shocking truth behind the victim\'s tragic end.moreless
  • Bathtub Killer

    Full Episode

    S 3 : Ep 13 -

    In 1996, two women are murdered in the same Texas apartment complex. Authorities follow every lead but the case goes cold. Three years later, DNA evidence, and a seemingly unrelated crime lead authorities to the sadistic "Bathtub Killer."moreless
  • Random Act of Madness

    Full Episode

    S 3 : Ep 12 -

    A Maine father of four is found shot to death after going out for a beer. Is he the victim of a family squabble? Did he run afoul of local crooks? Years later, an unrelated cold case and a guilty conscience help bring the killer to justice.moreless
  • Deadly Denial

    Full Episode

    S 3 : Ep 11 -

    When a Kentucky woman is murdered in her home, detectives theorize the gun advocate knew her attacker. Investigators scrutinize family, friends, and boyfriends old and new before a shaky alibi and forensic evidence point to the killer.moreless
  • Elemental Murder

    Full Episode

    S 3 : Ep 10 -

    When a hardworking waitress ingests a lethal dose of poison, a nationwide panic ensues. Everyone is a suspect, until one of the most bizarre sting operations in Florida history leads detectives to the implausible poisoner.moreless
  • Hotel Homicides

    Full Episode

    S 3 : Ep 9 -

    Between 1993 and 1997 three women are murdered in three Des Moines, Iowa hotels. Hampered by the sheer volume of suspects and the infancy of forensic testing, it takes years of dogged investigation to bring a sadistic killer to justice.moreless
  • Death of an Angel

    Full Episode

    S 3 : Ep 8 -

    Summer of 1992, 18 year-old Angel Ormstrom leaves to run errands, but never comes home. Did she run away, or was she made to disappear? Five months later, a gruesome discovery brings the case to a twisted and tragic conclusion.moreless
  • Murderous Intentions

    Full Episode

    S 3 : Ep 7 -

    A day after Katrina hits the Gulf Coast, a Lafayette man is shot by masked burglars. Police work through a list of suspects, to no avail. Three years later, crime scene evidence leads investigators to the opportunistic culprits.moreless
  • Left for Dead

    Full Episode

    S 3 : Ep 6 -

    In 1997, Sarasota couple Henry Caneva & Janet Scott are attacked in their home. Henry doesn't survive. Investigators work down a list of suspects, but it will take an unrelated domestic disturbance call to bring the case to a close.moreless
  • Clairemont Killer

    Full Episode

    S 3 : Ep 5 -

    In 1990, the murders of six females put San Diego investigators on the trail of a vicious serial killer. As all suspects come up clear, reports of a man loitering outside a health club bring the case to a shocking conclusion.moreless
  • Innocent Bystandard

    Full Episode

    S 3 : Ep 4 -

    In 2002, a Brunswick, NY couple are found murdered in their apartment. Girlfriend Arica is an innocent bystander, but boyfriend Sam is a drug dealer with dangerous enemies. In the end, a bloody print at the scene leads to a killer who defies belief.moreless
  • Murder on Miguel Lane

    Full Episode

    S 3 : Ep 3 - 3/11/12

    In 1985, the homicide of three Arlington, TX teens shocks the community. Investigators focus on an ex-boyfriend, teen satanists, and a drug addict with a grudge, but a shaky alibi and forensic evidence lead to a killer with close ties to the victims.moreless
  • A Monsterous Act

    Full Episode

    S 3 : Ep 2 - 3/4/12

    In 1994, 20 year-old Missy Grubaugh is killed in her apartment. Police focus on a list of suspects - a thieving former roommate, a threatening coworker, a sex offender boyfriend. In the end, a late-night call to the victim brings the case to a close.moreless
  • The Perfect Family

    Full Episode

    S 3 : Ep 1 - 2/26/12

    In the dark of night, a Pennsylvania family are brutally murdered in their home. Only their 20 year-old daughter survives. Investigators wonder, who would kill this seemingly perfect family? The answer will shock their community for years to come.moreless
  • Murder in the Mansion

    Full Episode

    S 2 : Ep 11 - 10/23/11

    When tycoon Andrew Kissel is stabbed to death in his Greenwich mansion, detectives are faced with a long list of suspects. Practically everyone who knew the victim has a motive for murder. Ultimately, a secret money trail reveals the guilty party.moreless
  • Death of a Freshman

    Full Episode

    S 2 : Ep 10 - 10/16/11

    Soon after Mardi Gras in Mobile, Alabama, an 18-year-old freshman is found shot to death in the woods behind campus. Detectives take a hard look at several suspects, but thirty years go by before a stunning confession cracks the case.moreless
  • Cop Killer

    Full Episode

    S 2 : Ep 9 - 10/9/11

    When San Diego Police Officer Kirk Johnson is found shot to death in his service vehicle, evidence points to a fellow law enforcement officer. Detectives reluctantly begin to investigate their own when an astonishing tip leads to an unlikely killer.moreless
  • Blood on the Badge

    Full Episode

    S 2 : Ep 7 - 10/2/11

    In 1985, an LA County Sheriff is gunned down in his vehicle. Investigators drill down the slain cop's list of enemies with no results. In 1999, a multi-agency task force shines a new light on the old case, illuminating a culprit who defies belief.moreless
  • Where's Becky

    Full Episode

    S 2 : Ep 7 - 9/25/11

    "Went 2 Talk 2 Rob" are the last words 15-year-old Becky Stowe writes before she slips out, never to be seen again. Did she run away or did her boyfriend Rob make her disappear? Two years go by before the truth about Becky is finally revealed.moreless
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