
The First 48
In Atlanta, a young man and his pregnant fiancée are executed after a failed ransom attempt.

In Atlanta, a young man and his pregnant fiancée are executed after a failed ransom attempt.

Detectives find the naked body of an unknown homeless woman who was raped and strangled to death.

In Tulsa, Okla., a homeless man is beaten and stabbed to death.

In Tulsa, a father of three is gunned down in front of his family.

A young father is found dead in his home by his girlfriend; a Tulsa, Okla., teen is fatally shot.

A woman is shot in her hotel room; a music producer is found riddled with bullets in his apartment.

In Tulsa, Okla, a beloved grandfather is gunned down in his home.

In Atlanta, a young man and his pregnant fiancée are executed after a failed ransom attempt.

Detectives find the naked body of an unknown homeless woman who was raped and strangled to death.

In Tulsa, Okla., a homeless man is beaten and stabbed to death.

In Tulsa, a father of three is gunned down in front of his family.

A young father is found dead in his home by his girlfriend; a Tulsa, Okla., teen is fatally shot.

A woman is shot in her hotel room; a music producer is found riddled with bullets in his apartment.

In Tulsa, Okla, a beloved grandfather is gunned down in his home.

In Atlanta, a young man and his pregnant fiancée are executed after a failed ransom attempt.

Bringing the killer to justice could hang on the testimony of a jailhouse informant.

When a man is killed by a bullet to the head, detectives find guns hidden in the garage next door.

In a case of mistaken identity, it's up to the victim's friends to help detectives deliver justice.

A massive, gang-related melee leaves detectives struggling to identify who shot a murder victim.

Detectives in Tulsa, Okla., have only one witness -- a 12-year-old girl -- to a domestic dispute.