The BEST episodes of Unusual Suspects season 4

Every episode of Unusual Suspects season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Unusual Suspects season 4!

THE UNLIKELY CRIMINAL IS EXPOSED - The All-American boy next door. A church-going grandmother. A devoted brother. They were respected role models and trusted members of their community - until the day each of them was charged with a shocking crime. The series shines a light on some UNUSUAL SUSPECTS, showing that even the nicest neighbor can have a sinister side. From vengeful family members to a corrupt officer patrolling the roads, UNUSUAL SUSPECTS profiles those you would least expect to be capable of committing such dark deeds. Each one-hour episode of UNUSUAL SUSPECTS showcases some of the most baffling and challenging cases in contemporary law enforcement, and commends the unwavering investigations that led to the arrest of these unlikely culprits. Featuring in-depth interviews from some of America's top investigative forces, viewers find out how these illusive offenders evaded justice for years, and how persistent police work and a passion for justice ultimately got them caught.

Last Updated: 2/21/2024Network: Investigation DiscoveryStatus: Ended
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A Bike Ride to Murder
star
9.00
2 votes

#1 - A Bike Ride to Murder

Season 4 - Episode 7 - Aired 10/21/2012

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.

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Mother's Day Murders
star
7.95
22 votes

#2 - Mother's Day Murders

Season 4 - Episode 5 - Aired 10/7/2012

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.

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Killings in Kentucky
star
7.85
13 votes

#3 - Killings in Kentucky

Season 4 - Episode 11 - Aired 11/25/2012

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.

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No Mercy
star
7.72
18 votes

#4 - No Mercy

Season 4 - Episode 12 - Aired 12/2/2012

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.

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Pure Evil
star
7.63
41 votes

#5 - Pure Evil

Season 4 - Episode 1 - Aired 9/9/2012

In 1995, the naked 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.

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Wolf in Sheep's Clothing
star
7.52
23 votes

#6 - Wolf in Sheep's Clothing

Season 4 - Episode 3 - Aired 9/23/2012

In 1995, eight-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?

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The Perfect Suspect
star
7.50
6 votes

#7 - The Perfect Suspect

Season 4 - Episode 2 - Aired 9/16/2012

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.

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City Under Siege
star
7.50
4 votes

#8 - City Under Siege

Season 4 - Episode 10 - Aired 11/18/2012

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.

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Triple Threat
star
7.40
15 votes

#9 - Triple Threat

Season 4 - Episode 9 - Aired 11/11/2012

In 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.

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Murder on the Menu
star
7.38
16 votes

#10 - Murder on the Menu

Season 4 - Episode 8 - Aired 10/28/2012

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

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Blood Trail
star
7.36
25 votes

#11 - Blood Trail

Season 4 - Episode 4 - Aired 9/30/2012

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.

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Gruesome Discovery
star
7.25
24 votes

#12 - Gruesome Discovery

Season 4 - Episode 6 - Aired 10/14/2012

In 1994, the brutalised 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.

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Maritime Murder
star
7.20
15 votes

#13 - Maritime Murder

Season 4 - Episode 13 - Aired 12/9/2012

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.

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