After the First 48

After a man is murdered steps from his home, Gwinnett County investigators must get a defiant suspect to talk before prosecutors can build their case.

A string of robberies turns deadly when a retired sheriff's deputy is killed, leaving the lone survivor to help investigators identify the suspects.

After two brothers are killed in their home, their mother leads detectives to a suspect — but prosecutors struggle to prove a motive at trial.

After a mother is found stabbed to death in a vacant lot, New Orleans detectives must build their case around an unlikely suspect.

After a teacher is killed in broad daylight, police track suspects using only a getaway car description, but prosecutors face the threat of a mistrial.

After gunfire leaves three men dead in a residential neighborhood, Gwinnett County detectives identify a suspect who later claims self-defense at trial.

When two men are killed in a Tulsa parking lot, a gun from an unrelated shooting leads to a suspect — but key evidence disappears before trial.

After an unidentified woman is found dead outside a Tulsa home, detectives face murky details as they race to uncover who she is and what happened.