Cross-Dressed to Kill: Detectives discuss their hunt for a murderer, rapist and master of disguises, who dressed up in ladies' clothes in order to get into women's homes.
He Came For Me: Detectives reveal how DNA evidence led them to 15-year-old Nanine Grimes' killer, 25 years after she was stabbed more than 80 times in her home.
Dying to Fit In: Detectives investigate the murder of two women in Minnesota. Evidence points to a serial killer, but are the deaths linked or just a sinister coincidence?
Not Again: Detectives hunt for the murderer of a 30-year-old mother. But even when they think they've found their killer, they face a frustrating search for evidence.
The Body in the Bay: Four years after Nancy Manni's body is found in Chesapeake Bay, her case appears on a crime TV show. Was there anyone out there who knew the truth?
Web of Lies: Investigators reveal how they unravelled a business manager's endless string of lies in order to discover who had the means and motive to shoot him dead.
Into Thin Air: When a flight attendant goes missing, detectives are baffled until a graveside discovery forces them to take a second look at some familiar faces.
No Reason To Die: Detectives reveal how DNA evidence led them to 15-year-old Nanine Grimes' killer, a quarter of a century after she was stabbed in her Adams County home.
An Orphan's Ordeal: When police fail to find the man behind the murder of an 18-year-old girl in Boston, the victim's family begin an investigation of their own.
A Secret Life: When is a man is gunned down, the suspects include the victim's terminally ill wealthy second wife, his alleged mistress and her gun-toting ex-husband.
Nightmares In Babysitting: Investigators reveal how they unravelled a business manager's endless string of lies to discover who had the means and motive to shoot him dead.
Shattered Dreams: A 33-year-old man is executed outside his workplace in a murder that looks like a professional hit. With few clues to go on, can detectives catch his killer?
The MacIvors: One Stormy Night: When a Florida couple is found strangled to death in their home, detectives follow clues to Belize. But the dark truth is far closer to home.
Before He Kills Again: Detectives fear a serial predator is on the loose when several women's bodies are discovered along the side of the road near Tampa, Florida.
Murder at the Met: A look at the shocking murder of violinist Helen Hagnes, who failed to return to the pit following the interval at New York's Metropolitan Opera House.
Into Thin Air: When a flight attendant goes missing, detectives are baffled until a graveside discovery forces them to take a second look at some familiar faces.
Into Thin Air: When a flight attendant goes missing, detectives are baffled until a graveside discovery forces them to take a second look at some familiar faces.
Shattered Dreams: A 33-year-old man is executed outside his workplace in a murder that looks like a professional hit. With few clues to go on, can detectives catch his killer?
Shattered Dreams: A 33-year-old man is executed outside his workplace in a murder that looks like a professional hit. With few clues to go on, can detectives catch his killer?
An Orphan's Ordeal: When police fail to find the man behind the murder of an 18-year-old girl in Boston, the victim's family begin an investigation of their own.
An Orphan's Ordeal: When police fail to find the man behind the murder of an 18-year-old girl in Boston, the victim's family begin an investigation of their own.
An Orphan's Ordeal: When police fail to find the man behind the murder of an 18-year-old girl in Boston, the victim's family begin an investigation of their own.
The MacIvors: One Stormy Night: When a Florida couple is found strangled to death in their home, detectives follow clues to Belize. But the dark truth is far closer to home.
The MacIvors: One Stormy Night: When a Florida couple is found strangled to death in their home, detectives follow clues to Belize. But the dark truth is far closer to home.
Murder at the Met: A look at the shocking murder of violinist Helen Hagnes, who failed to return to the pit following the interval at New York's Metropolitan Opera House.
Murder at the Met: A look at the shocking murder of violinist Helen Hagnes, who failed to return to the pit following the interval at New York's Metropolitan Opera House.
Murder at the Met: A look at the shocking murder of violinist Helen Hagnes, who failed to return to the pit following the interval at New York's Metropolitan Opera House.
Cross-Dressed to Kill: Detectives discuss their hunt for a murderer, rapist and master of disguises, who dressed up in ladies' clothes in order to get into women's homes.
Cross-Dressed to Kill: Detectives discuss their hunt for a murderer, rapist and master of disguises, who dressed up in ladies' clothes in order to get into women's homes.
Cross-Dressed to Kill: Detectives discuss their hunt for a murderer, rapist and master of disguises, who dressed up in ladies' clothes in order to get into women's homes.
Wicked in the Windy City: Investigators reflect on their difficult search for the culprit behind the chilling murder of a 29-year-old woman on Halloween.
Wicked in the Windy City: Investigators reflect on their difficult search for the culprit behind the chilling murder of a 29-year-old woman on Halloween.
Dying to Fit In: Detectives investigate the murder of two women in Minnesota. Evidence points to a serial killer, but are the deaths linked or just a sinister coincidence?
Not Again: Detectives hunt for the murderer of a 30-year-old mother. But even when they think they've found their killer, they face a frustrating search for evidence.
Not Again: Detectives hunt for the murderer of a 30-year-old mother. But even when they think they've found their killer, they face a frustrating search for evidence.
Not Again: Detectives hunt for the murderer of a 30-year-old mother. But even when they think they've found their killer, they face a frustrating search for evidence.
The Body in the Bay: Four years after Nancy Manni's body is found in Chesapeake Bay, her case appears on a crime TV show. Was there anyone out there who knew the truth?
The Body in the Bay: Four years after Nancy Manni's body is found in Chesapeake Bay, her case appears on a crime TV show. Was there anyone out there who knew the truth?
The Body in the Bay: Four years after Nancy Manni's body is found in Chesapeake Bay, her case appears on a crime TV show. Was there anyone out there who knew the truth?
Web of Lies: Investigators reveal how they unravelled a business manager's endless string of lies in order to discover who had the means and motive to shoot him dead.
Web of Lies: Investigators reveal how they unravelled a business manager's endless string of lies in order to discover who had the means and motive to shoot him dead.
Web of Lies: Investigators reveal how they unravelled a business manager's endless string of lies in order to discover who had the means and motive to shoot him dead.
In Harm's Way: Investigators reveal untold stories of how they caught notorious murderers, beginning with the struggle to trace the killer of a 42-year-old woman.