The First 48: Killer Confessions

Detectives investigate the murder of a Dallas man shot in his sleep, uncovering the shocking story of his girlfriend's dark past; a beloved Memphis, Tenn., ``candy lady'' is shot through her closed front door.

A man is shot to death on a city street, and police learn that his wife may hold the key to solving the crime.

Detectives discover a house of horrors during their investigation into the fatal slashing of a New Orleans woman.

Three members of one family are stabbed and then burned. Miami detectives attempt to find out more about the shooting of a homicide witness.

A young man is robbed and killed while meeting up with a girl he met earlier; a man is gunned down outside an annual football game.

Tulsa, Okla., police Detective Justin Ritter's investigation into the stabbing of an innocent father leads him into the dangerous world of methamphetamine addiction.

Two teenage boys are shot outside a nightclub in Dallas; police search for a woman who has been missing for six days.

Dallas police detectives sift through a web of lies to find the person who gunned down a good Samaritan.

A home invasion in Harris County, Texas, turns deadly when a woman is murdered in front of her daughter.

Miami detectives investigate the case of a man who was shot dead in front of the home of his former girlfriend.

Kentucky detectives cross the state border into Tennessee to search for three potential suspects in the stabbing death of a smoke-shop employee.

A Minneapolis, Minnesota, woman is found strangled in a partially-burned car; police race against the clock and a snowstorm to find the murderer.

New Orleans homicide detectives investigate the case of a man who was gunned down in the street and a cold-blooded killing in a convenience store.

A rookie detective tries to untangle a love triangle that turned deadly; detectives try to piece together what happened inside a car that left one person dead and another critically injured.

A Tulsa, Okla., detective hunts a family of elusive criminals after a former Marine is fatally shot while trying to recover his stolen bicycle.

New Orleans detectives have little to go on in the hunt for a killer; a young woman gunned down in the street while walking home from work.

An Atlanta man is gunned down in his home by an AK-47; the victim's wife holds a dark secret that could tear the family apart.

A young woman is stabbed, beaten and burned to death on a bed and her 12-year-old niece and her mother are missing; a pool hustler is found dead in a motel room.

A murder investigation leads Dallas detectives along a trail lined with love and deceit; Memphis, Tenn., police scramble for leads after a dead body is found in an empty field.

Police detectives conduct a three-state manhunt as they investigate the slaying of a young Dallas couple; a Cleveland man is found shot to death in his own backyard.