The First 48

When Phoenix homicide Detective Tom Kulesa realizes a potential witness to a double murder has gone missing, he must race against time to stop another vicious killing.

Miami homicide detective Mayree Morin and her team find a man who's been shot assassination-style at least a dozen times. They must move fast to find the killer before he slips away.

Hours after a jealous stripper vows revenge, her two-timing boyfriend is shot and killed in Phoenix. The girlfriend is not the shooter, however, and it's up to Detective Tom Kulesa of Phoenix PD to unravel the mystery.

In Phoenix, Detectives Dillian and Jewell join forensic anthropologist Laura Fulginiti to determine the identity of a female skeleton found in the desert.

Police try to convince frightened residents of a Miami housing project known as "Pork and Beans" to help them track down the man who's been terrorizing the community.

Sergeant Irma Labrice and Detectives Leon Lubiejewski and Michael Gross don't have much time to find a murder suspect in Philadelphia. The victim's body is burned beyond recognition, and witnesses refuse to talk to police.

When a couple is found shot to death, Kansas City investigators track down two suspects and must convince one of them to give up the other -- his own father.

In Kansas City, two veteran detectives tackle a mysterious case of a young woman brutally murdered in a snowy cul-de-sac. Then, a female homicide sergeant and her all-male team investigate the murder of a man.

A wall of silence from a frightened community hampers efforts to solve a brutal murder, and a mother of two is shot execution-style.