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Unusual Suspects

Unusual Suspects showcases some of the most baffling and challenging investigations in modern law enforcement.

Episodes

Season: Season 3 Episode Guide

1 - Perfect Family # 1

Perfect Family: A family are found murdered in their home. Only their 20-year-old daughter has survived. Investigators wonder who would kill this seemingly perfect family. (S3, ep 1)

2 - Left For Dead # 2

Left For Dead: In 1997, Henry Caneva was found dead after he and his wife were attacked in their home. With little to no evidence, how did investigators nab his killer? (S3, ep 2)

3 - Innocent Bystander # 3

Innocent Bystander: When a drug dealer and his girlfriend are found murdered in their apartment, a bloody print leads investigators to a killer who defies belief. (S3, ep 3)

4 - Murder On Miguel Lane # 4

Murder On Miguel Lane: When three teenage friends were found murdered in Arlington in 1985, a thorough forensic investigation turned up a highly unlikely culprit. (S3, ep 4)

5 - Monstrous Act # 5

Monstrous Act: A look at the surprising twists in the hunt for the killer of 20-year-old Missy Grubaugh, who was found dead in her apartment in Arlington in 1994. (S3, ep 5)

6 - Clairemont Killer # 6

Clairemont Killer: Documentary exploring the huge manhunt for the serial killer who murdered six women in frenzied knife attacks in San Diego in 1990. (S3, ep 6)

7 - Murderous Intentions # 7

Murderous Intentions: A day after Katrina hit the Gulf Coast, a man was shot by opportunistic masked burglars. It was a tricky case that took police three years to solve. (S3, ep 7)

8 - Death Of An Angel # 8

Death Of An Angel: In 1992, 17-year-old Angel Ormston failed to return from a trip to the shops. Had she run away? Five months later, her family discovered the awful truth. (S3, ep 8)

9 - Elemental Murder # 9

Elemental Murder: State-wide panic ensues when a waitress is poisoned in Florida. One of the strangest sting operations in the state's history turns up an unlikely killer. (S3, ep 9)

10 - Hotel Homicides # 10

Hotel Homicides: In the 1990s, three woman were killed in three Iowa hotels. In the infancy of forensic testing, how did detectives bring their sadistic murderer to justice? (S3, ep 10)

11 - Deadly Denial # 11

Deadly Denial. When a gun advocate is murdered in her home, detectives suspect the victim knew her attacker. Can forensic evidence point them to the killer? (S3, ep 11)

12 - Random Acts Of Madness # 12

Random Acts Of Madness: Years after a father is shot after a night of revelry, an unrelated cold case and a person's guilty conscience finally brings his killer to justice. (S3, ep 12)

13 - Bathtub Killer # 13

The Bathtub Killer: A look at the tense search for Bathtub Killer Dale Devon Scheanette, who was executed in 2009 for murdering two women in Arlington, Texas. (S3, ep 13)

Season: Season 4 Episode Guide

1 - Pure Evil # 1

Pure Evil: When the naked body of a Chicago woman is found dumped on a Wisconsin highway, investigators suspect she may be the victim of a lovers' spat which turned deadly. (S4, ep 1)

2 - Perfect Suspect # 2, The

The Perfect Suspect: Detectives investigate the mysterious death of a Chicago woman whose body was found dumped on a Wisconsin highway in 1995. (S4, ep 2)

3 - Blood Trail # 3

Blood Trail: A tiny clue leads investigators to the unlikely man behind the murder of 22-year-old Theresa Wesolowski, who was found stabbed 46 times in Germantown in 1999. (S4, ep 3)

4 - Wolf In Sheep's Clothing # 4

Wolf in Sheep's Clothing: Detectives uncover the shocking truth behind the disappearance of an eight-year-old girl who was abducted close to her home in California. (S4, ep 4)

5 - Mother's Day Murders # 5

Mother's Day Murders: When a military wife and her two girls are found dead, police uncover many suspects, including a babysitter and an eyewitness who can't be trusted. (S5, ep 5)

6 - Gruesome Discovery # 6

Gruesome Discovery: Police investigate the real-life case of a woman whose body was found in a rubbish bin. Could she have been the victim of a co-worker's violent obsession? (S4, ep 6)

7 - A Bike Ride To Murder # 7

A Bike Ride To Murder: When the brutalised body of a San Diego girl was found in a canyon in 1991, detectives unearthed a shocking truth that no one could believe. (S4, ep 7)

8 - Murder On The Menu # 8

Murder On The Menu: Detectives grill a host of suspects when they discover the dumped and dismembered body of a chef. Can forensics confirm his unlikely killer? (S4, ep 8)

9 - Triple Threat # 9

Triple Threat: When a California mother-of-two is found strangled in her home, detectives question whether she was the latest victim of a fledgling serial killer. (S4, ep 9)

10 - Killings In Kentucky # 10

Killings In Kentucky: A respected vet, his wife and son are viciously gunned down in their home. Can detectives unearth the bitter truth behind this tragic crime? (S4, ep 10)

11 - City Under Siege # 11

City Under Siege: Detectives in Arizona investigate whether a 20-year-old woman could be the latest victim of an unstoppable gunman's shooting spree. (S4, ep 11)

12 - No Mercy # 12

No Mercy: When a mother of triplets is found dead in her Washington home, detectives piece together her final moments to reveal the surprising identity of her killer. (S4, ep 12)

13 - Maritime Murder # 13

Maritime Murder: Investigators scrutinise a ship full of suspects when a naval officer is poisoned at sea. Which of the many theories surrounding his death is true? (S4, ep 13)

Season: Season 5 Episode Guide

1 - Deadly Forest #1

Deadly Forest: The tragic story of 17-year-old Michele Avila, who was murdered by two school friends in the Angeles National Forest in 1985. (S5, ep 1)

2 - Christmas Mourning #2

Christmas Mourning: In 1988, Beverly Eller was found murdered in her home. Years went by before a piece of evidence surfaced that tied an unlikely suspect to the crime. (S5, ep 2)

3 - Deacon's Demise #3

Deacon's Demise: The notorious 'South Side Rapist' terrorised St Louis in the early 90s, but it took several years before the police were led to an unlikely culprit. (S5, ep 3)

4 - Driven To Murder #4

Driven To Murder: Detectives encounter a huge cast of shady characters as they investigate the execution of a millionaire. Could his murder have been a professional hit? (S5, ep 4)

5 - Burning Fury #5

Burning Fury: In 1988, Robert Haugen was found murdered in his apartment. Two decades later, a surprising culprit with a sadistic dark side is brought to justice. (S5, ep 5)

6 - Phantom Predator #6

Phantom Predator: A look at how detectives uncovered the shocking identity of the South Side rapist, a man who terrorised the women of Missouri for over six years. (S5, ep 6)

7 - Deathbed #7

Deathbed: Three decades after a man is found dead in mysterious circumstances in San Diego, forensic advances finally identify his highly unlikely killer. (S5, ep 7)

8 - Manufacturing Murder #8

Manufacturing Murder: In December of 1997, the bodies of three men and a woman were discovered in a Florida manufacturing plant. Who killed them and why? (S5, ep 8)

9 - Sin City Slaying #9

Sin City Slaying: When 52-year-old Martha Doney was found dead in her Las Vegas home, police struggled for many years before bringing the case to a surprising conclusion. (S5, ep 9)

10 - Dangerous Fortune #10

Dangerous Fortune: Police are baffled when the bodies of fortuneteller Ha Jade Smith and her daughter Anita Vo are found with white paint covering their head and hands. (S5, ep 10)

11 - Little Boy Lost #11

Little Boy Lost: When the body of 11-year-old Christopher Alan Brown was found in the Flint River in 1985, it took almost 20 years for evidence of his murder to be found. (S5, ep 11)

12 - When Evil Strikes #12

When Evil Strikes: Detectives race to solve the murder of North Carolina factory worker Jonathan Blackwell, whose body was found two years after he disappeared in 2004. (S5, ep 12)

13 - Last Resort #13, The

Last Resort: A shocking culprit is revealed when police investigate a fatal acid attack on a Florida hotel manager. (S5, ep 12)

Season: Season 6 Episode Guide

1 - Wicked Impulse #1

Wicked Impulse: In 1997, a California mountain town is stunned by the murder of a longtime resident. Months of dogged investigation bring the case to a shocking conclusion. (S6, ep 1)

2 - Vanished In Reno #2

Vanished in Reno: When a young university student is abducted from a friend's home in the middle of the night, the city of Reno, Nevada lives in fear of who might be next. (S6, ep 2)

3 - Death Of Innocence #3

Death of Innocence: Kenny Conrick was just eight years old when he was abducted and murdered in Gary, Indiana in 1979. Who would want this innocent child dead? (S6, ep 3)

4 - Murder In Room 348 #4

Murder in Room 348: When business traveller Greg Fleniken is found dead in his hotel room, all signs point to a heart attack. But police soon realise he has been murdered. (S6, ep 4)

5 - High School Homicide #5

High School Homicide: In 1989, Indianapolis high school student Amy Weidner was brutally killed while she stayed home from school. But who would want her dead? (S6, ep 5)

6 - Hometown Homicide #6

Hometown Homicide: On 17 January 1980, in the town of Hemet, California, 67-year-old Elizabeth Crossman was murdered in her home. But it took 33 years to convict her killer. (S6, ep 6)

7 - Stone Cold Killer #7

Stone Cold Killer: In 2000, near Anchorage, Alaska, Genevieve Tetpon was found dead from a brutal attack. It wasn't until 2009 police finally made a breakthrough. (S6, ep 7)

8 - Brute Force #8

Brute Force: In 1987, Kentucky police discovered the body of 20-year-old Corinna Mullen in the boot of her car. But it would be many years before the case could be solved. (S6, ep 8)

9 - Blood In The Water #9

Blood In The Water: In 1980, a teenage girl was brutally murdered in her Colorado home. But in her last moments, she managed to leave investigators a clue to her attacker. (S6, ep 9)

10 - Sinister Secret #10

Sinister Secret: In rural Wyoming, a young teen is found strangled after vanishing from her group home. Relentless investigation reveals the killer's shocking identity. (S6, ep 10)

11 - Dead End Trail #11

Dead End Trail: Fear grips the students of Southern Illinois University when the body of senior Susan Schumake is discovered near a popular campus trail. (S6, ep 11)

12 - Nightclub Nightmare #12

Nightclub Nightmare: When a robbery at a popular Texas nightclub leaves one dead and two critically wounded, investigators are in a race against time to catch the killer. (S6, ep 12)

13 - Death Comes Calling #13

Death Comes Calling: Beloved grandparents are found murdered in their home in Oregon. Are they victims of a spree killer, or was their murder carefully plotted? (S6, ep 13)

Season: Season 7 Episode Guide

1 - Murder In The Mirror #1

Murder in the Mirror: The crime documentary series returns with a look at the brutal 2006 murder of 80-year-old grandmother Bernita 'Billie' Cunningham. (S7, ep 1)

2 - Deadly Accusation #2

Deadly Accusation: When Virginia Beach detectives were called to the scene of a bloody double homicide in May 1996, they uncovered a murder plot too strange to believe. (S7, ep 2)

3 - Death And Taxes #3

Death and Taxes: A look at how police solved the murder of 58-year-old tax attorney Ashley Pollow, who was strangled and burned at his Florida home in December 2010. (S7, ep 3)

4 - Last Dance #4

Last Dance: A look at how Virginia detectives used science and cunning to catch the killer of 16-year-old ballet dancer Meghan Landowski in 2008. (S7, ep 4)

5 - Deadly Desire #5

Deadly Desire: Days before Thanksgiving, a small Philadelphia suburb is rocked by the murder of 67-year-old Alice Hufnagle. Who could commit such a random crime? (S7, ep 5)

6 - Eye For Murder #6

Eye For Murder: In December 1990, 21-year-old wife and mother Dina Kichler was found murdered in her Florida home. Investigators had to race to track down her killer. (S7, ep 6)

7 - No Good Deed #7

No Good Deed: In 2005, a 28-year-old photographer and college student was found murdered in his Texas apartment. What could have led a killer to his door? (S7, ep 7)

8 - Absent Teacher #8

Absent Teacher: In 1993, a primary school teacher went missing after her first day at a new job. Over the next two months, investigators pieced together the sinister puzzle. (S7, ep 8)

9 - Left Alone #9

Left Alone: When 13-year-old Mollie Pittman is attacked and murdered in her friend's Orlando home, investigators are left with absolutely no clues to the killer's identity. (S7, ep 9)

10 - Flames In Paradise #10

Flames In Paradise: Detectives encounter a rogue's gallery of suspects and outlandish leads on their way to finding the killer of telemarketing manager David Stevens. (S7, ep 10)

11 - Nightmare Field #11

Nightmare Field: Investigators search for 23-year-old Dalene Carlson after she is reported missing. But then a tractor operator makes a gruesome discovery in a cornfield. (S7, ep 11)

12 - Little Girl Gone #12

Little Girl Gone: The 1988 case of a missing nine-year-old girl went cold until an encounter at a bus stop breathed new life into the investigation and revealed the truth. (S7, ep 12)

13 - Barefoot Homicide #13

Barefoot Homicide: Philadelphia investigators bring to light the obsession that drove a killer to strangle maths student Deborah Wilson to death in a computer laboratory. (S7, ep 13)

Season: Season 8 Episode Guide

1 - Knives & Lies #1

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 1)

2 - New Year's Evil #2

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 2)

3 - Ashes To Ashes #3

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 3)

4 - Drive With Danger #4

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 4)

5 - Housebound Homicide #5

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 5)

6 - Vicious Voyeur #6

Series exploring some of the most baffling and challenging investigations in modern law enforcement. (S8, ep 6)

7 - Last Curtain Call #7

Last Curtain Call: When a former actor is gunned down in Yuma, Arizona, police chase leads across the southwest until they finally get their man. (S8, ep 7)

8 - Silent Night #8

Silent Night: When a young woman is found murdered in her Oregon apartment on Christmas Day, investigators soon learn the terrifying truth about her killer. (S8, ep 8)

9 - Murder Down Memory Lane #9

Murder Down Memory Lane: When a five-year-old describes her mother's killer as a "ninja", police set out to put the surprising killer behind bars. (S8, ep 9)

10 - End Of The Line #10

End of the Line: When a first-year college student is raped and murdered, it takes a rookie cop to beat the odds and catch a killer. (S8, ep 10)

11 - Kill Now, Pay Later #11

Kill Now, Pay Later: When an arrest is made in the contract killing of a California businessman, police discover that's just the beginning of the story. (S8, ep 11)

12 - Cold Fusion #12

Cold Fusion: Cops go on the hunt for a killer when the leading advocate for the controversial science of cold fusion is beaten to death. (S8, ep 12)

13 - Final Lesson #13

Final Lesson: The killer of a Santa Monica art teacher remains at large for years as police use every trick in their arsenal to finally hunt him down. (S8, ep 13)