Watch The First 48: Killer Confessions

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A probe into a murder leads Dallas authorities along a path lined with love and deceit; Memphis, Tenn., police vie for leads after a dead body is discovered in an empty field.

A young lady is stabbed, beaten and burned to death on a bed and her 12-year-old niece as well as her mom have disappeared; a pool hustler is discovered deceased in a motel room.

An Atlanta guy is shot down in his home by an AK-47; the victim's wife conceals a dark secret that could pull the family apart.

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.

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

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.

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

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

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

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

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

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

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

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.

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

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

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 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.