Unusual Suspects

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


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Episode Guide

    • Betrayal of Trust
      Season 1 - Episode 2
      A husband and wife are found shot to death on a deserted stretch of highway; A young woman is thrown from a bridge near a freeway exit ramp.
    • Gruesome Discovery
      Season 4 - Episode 6
      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.
    • A Bike Ride to Murder
      Season 4 - Episode 7
      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.
    • Murder on the Menu
      Season 4 - Episode 8
      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.
    • Unusual Suspects
      Season 4 - Episode 9
      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.
    • City Under Siege
      Season 4 - Episode 10
      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.
    • Killings in Kentucky
      Season 4 - Episode 11
      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.
    • Mother's Day Murders
      Season 4 - Episode 5
      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.
    • Blood Trail
      Season 4 - Episode 4
      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.
    • Deadly Denial
      Season 3 - Episode 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.
    • Random Act of Madness
      Season 3 - Episode 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.
    • Bathtub Killer
      Season 3 - Episode 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."
    • Pure Evil
      Season 4 - Episode 1
      "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.
    • The Perfect Suspect
      Season 4 - Episode 2
      "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.
    • Wolf in Sheep's Clothing
      Season 4 - Episode 3
      "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?
    • No Mercy
      Season 4 - Episode 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.
    • Maritime Murder
      Season 4 - Episode 13
      In 1982, a Naval Officer dies from a mysterious illness. When toxicology reports reveal he was poisoned, Naval Investigators sift through a ship of thousands, and countless theories before the truth behind the victim's painful death is revealed.
    • Deadly Forest
      Season 5 - Episode 1
      In 1985, a popular high school girl is found murdered in the Angeles National Forest. Investigators run through a network of a classmates, rivals, and troublemakers to find her killer. Years later, a break in the cases exposes the shocking truth.
    • Little Boy Lost
      Season 5 - Episode 10
      In 1985, the body of an 11 year-old boy is found, days after he disappeared from his father's Flint, Michigan home. A mother's tireless pursuit of justice leads investigators to a crucial clue and the devastating truth behind her son's death.
    • When Evil Strikes
      Season 5 - Episode 11
      In 2004, a former marine goes missing from his North Carolina home. Investigators sift through a mountain of tips and small-town rumors before a surprise witness comes forward who may hold the key to the mysterious disappearance.
    • The Last Resort
      Season 5 - Episode 12
      In 2000, the manager of a Florida hotel is doused with acid in broad daylight. He dies from his wounds 11 days later. Investigators must contend with bum tips, false identities and a nationwide manhunt before the shocking culprit is revealed.
    • Dangerous Fortune
      Season 5 - Episode 13
      In 2005, a fortuneteller and her daughter are brutally murdered in their Westminster, CA home. Ritualistic elements leave investigators baffled until a paper trail leads them to their coldblooded culprit.
    • Dead End Trail
      Season 6 - Episode 11
      The murder of a Southern Illinois University student is investigated.
    • Nightclub Nightmare
      Nightclub Nightmare
      Season 6 - Episode 12
      Investigating a daytime robbery at a nightclub in Arlington, Texas, that resulted in an employee's death.
    • Manufacturing Murder
      Season 5 - Episode 9
      In 1997, four bodies are found in a Bartow, Florida factory, all with close ties to company management. Was it a robbery gone wrong, or premeditated quadruple homicide? Dogged investigation reveals an intricate murder plot and a devious mastermind.
    • Sin City Slaying
      Season 5 - Episode 8
      In 1992, single mother of three Martha Doney is found brutally stabbed in her Las Vegas home. Was she a victim of opportunity, or a target of jealous rage? Years later, modern technology brings the case to a surprising conclusion.
    • Christmas Mourning
      Season 5 - Episode 2
      In Georgia, just days before Christmas, Beverly Eller is found murdered in her apartment. After years of tireless investigation, a critical piece of evidence helps investigators unravel the bizarre chain of events that led to Beverly's tragic murder.
    • Burning Fury
      Season 5 - Episode 3
      In 1988, a 29 year-old man is found tortured and murdered in his burnt-up apartment in Sunset Beach, CA. As two decades pass, friends, rivals, roommates and criminals are scrutinized before investigators close in on a surprising and sadistic killer.
    • Driven to Murder
      Season 5 - Episode 4
      In February of 1992, a Maryland businessman is found shot on Federal land. A veteran US Parks detective follows a trail of clues up and down the eastern seaboard before unraveling the tragic events that led to murder.
    • Phantom Predator
      Season 5 - Episode 5
      When a serial rapist targets St. Louis in the 1990's, a multi-agency task force exhausts countless leads in their search for the mysterious predator. Years later, a concerned citizens helps investigators bring an unlikely culprit to justice.
    • Deathbed
      Season 5 - Episode 6
      In 1972, a postal worker is found brutally murdered in his San Diego apartment. Investigators wade through suspect after suspect, from close friends to hardened criminals. Thirty-seven years later, old evidence points them to their killer.
    • The Deacon's Demise
      Season 5 - Episode 7
      In 1992, a church deacon from Upland, CA is found murdered in Tijuana. Did a secret double life lead to the death of this married father of four? Years later, a fresh look at the case helps investigators unravel the complex plot to murder the deacon.
    • Elemental Murder
      Season 3 - Episode 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.
    • Hotel Homicides
      Season 3 - Episode 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.
    • The Killer Nearby
      Season 1 - Episode 1
      A suburban housewife is abducted from her home and savagely murdered; After turning his life around, a young man is killed when he crosses local gang members.
    • Cold-Blooded
      Season 1 - Episode 13
      A young woman vanishes when a flat tire forces her to pull over; Keeping an eye on his neighbor's property brings a man face to face with his killer.
    • Burned
      Season 1 - Episode 9
      A series of California fires puts investigators on the hunt for a serial arsonist. After years of dogged investigation, an unpopular theory points to a disturbing culprit.
    • A Mother's Conviction
      Season 1 - Episode 3
      A young boy is killed and his mother is convicted of the crime. Years later, she is set free by a confession from a most unexpected source.
    • Never Came Home
      Season 2 - Episode 1
      In 1996, teenaged Joey Martin sneaks out of his bedroom window to watch a comet from a cabin in the woods-and disappears. Despite multiple leads, there is no sign of Joey until 2008 when a young detective uncovers the shocking story of Joey's fate.
    • Getting Even
      Season 2 - Episode 2
      In 1985 when welder Danny Paquette is killed in his front yard by a long-distance rifle shot, there is no shortage of suspects. Many people had issues with Danny. But ultimately the solution falls much closer to home than anyone expected.
    • Millionaire's Murder
      Season 1 - Episode 7
      The murder of a wealthy widow sends shock waves through a small town. The victim's own records are the key to finding the killer.
    • Monster in Spokane
      Season 1 - Episode 6
      A serial killer plagues Spokane, Washington, claiming the lives of more than a dozen victims. The reexamination of an old clue finally helps investigators zero in on the murderer.
    • Missing Executive
      Season 1 - Episode 8
      When high-ranking oil executive Sidney Reso is kidnapped, an intensive manhunt turns up few clues. Cryptic letters and phone calls send investigators racing to catch the kidnappers, hoping to bring Reso home alive.
    • Happy Face Killer
      Season 1 - Episode 12
      A mild-mannered grandmother accuses her boyfriend of the murder of a local woman. Five years later, someone else claims responsibility for the crime and the murders of six other women.
    • Murder in Biloxi
      Season 1 - Episode 5
      A judge and his wife are murdered in their Biloxi home. In a city rife with corruption, the suspects range from common criminals to powerful politicians.
    • Overkill
      Season 1 - Episode 11
      In rural Wisconsin, a local eccentric is murdered in his home; A serial killer targets the elderly in Lake Elsinore, California.
    • Lovers and Liars
      Season 1 - Episode 10
      A young couple is gunned down on a lover's lane in Georgia; A husband and wife are shot to death in their suburban Chicago home before the killer sets the house on fire.
    • Will to Murder
      Season 1 - Episode 4
      A killer posing as a delivery man, guns down an affluent couple in their own home; A recent victim of robbery is found shot to death in her car.
    • Little Girl Lost
      Season 2 - Episode 3
      When 10-year-old Katie Collman is murdered in a small Indiana town, a shocking confession catapults this crime into national news. Was Katie murdered to keep her quiet about something she saw? An unusual clue leads investigators to the conclusion.
    • Who Wanted Them Dead?
      Season 2 - Episode 4
      In 2004, affluent Coral Gables couple, John & Susan Sutton, are attacked at home. Susan doesn't survive. Investigators look at an adulterous business partner and an angry client before cell phone records lead to a shooter with ties to the family.
    • Hiding in Plain Sight
      Season 2 - Episode 5
      FBI office manager Melissa Mooney is found murdered in her home. After taking a hard look at several promising suspects, the case goes cold. Two years later, a reexamination of the case leads to an unlikely killer who was hiding in plain sight.
    • Murder on Miguel Lane
      Season 3 - Episode 3
      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.
    • Innocent Bystandard
      Season 3 - Episode 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.
    • Clairemont Killer
      Season 3 - Episode 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.
    • Left for Dead
      Season 3 - Episode 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.
    • Murderous Intentions
      Season 3 - Episode 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.
    • Death of an Angel
      Season 3 - Episode 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.
    • A Monsterous Act
      Season 3 - Episode 2
      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.
    • The Perfect Family
      Season 3 - Episode 1
      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.
    • Terror in Gulfport
      Season 2 - Episode 6
      In 1984, terrifying screams pierce the Florida night. A day later, a woman's body is found, stabbed to death. Detective Larry Tosi faces a host of suspects, but when the killer is caught, no one will be more shocked than Tosi himself.
    • Blood on the Badge
      Season 2 - Episode 7
      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.
    • Where's Becky
      Season 2 - Episode 7
      "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.
    • Cop Killer
      Season 2 - Episode 9
      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.
    • Death of a Freshman
      Season 2 - Episode 10
      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.
    • Murder in the Mansion
      Season 2 - Episode 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.
    • Death Comes Calling
      Season 6 - Episode 14
      An elderly couple are murdered in Lake Oswego, Ore.
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