The First 48 - Season 20

The cold-blooded shooting of a man outside his apartment is caught on video, but detectives must work through the night to identify his masked attacker.

When three people are gunned down in a quiet neighborhood, Gwinnette County police struggle to find a connection between the victims.

In Tulsa, a young father is shot several times in his driveway after putting his one-year-old daughter to sleep. Detective Jason White hopes a pill bottle found on the scene will help lead to the killer.

In Tulsa, when a teenager is found murdered and dumped in a field, the leads run dry and detectives need your help to get justice for his family.

Old habits die hard when a young father gets out of prison and is drawn back into his old life. After he's shot dead, Tulsa homicide must sort through a web of lies to find out who killed him.

Gwinnett County detectives chase down a bullet-ridden Toyota Camry to find who may have killed a beloved young man.

In Mobile, when two beloved men from the Mobile Terrace neighborhood are gunned down, detectives need the community's help to get justice for their families

In a crowded Mobile bar, surveillance video captures the shocking murder of a man after a game of pool.

In Tulsa, a homeless man is ambushed by two men on a dark trail, and his wife may hold the key to finding the killers.

In Tulsa, three people are executed in their ransacked home, and the woman who found them may hold the key to finding the killer.

In Mobile, a father of four is gunned down in a strip club when a chance encounter turns deadly.

When a hard-working construction worker is brutally murdered on payday, Tulsa detectives chase an unlikely suspect: the victim's best friend.

When a 15-year-old boy is murdered after getting in over his head, detectives hope a Snapchat message can lead them to his killer.

When a love triangle turns deadly, a killer enlists an unusual murder weapon.

In Tulsa, a friendly gathering takes a fatal turn when three people are shot and a teenager is killed; in Mobile, a plan to settle a dispute backfires when a man is gunned down at a family member's house.

In Gwinnett County, two brothers are murdered in their sleep; detectives suspect they were betrayed by someone they knew.

When a man is found shot and dumped in the road, detectives learn how his struggle to overcome obstacles left him headed for a collision with someone on the edge.

When a young father goes out partying and ends up murdered at a club, everyone knows what happened...but no one is talking.

A fateful choice tragically ends the life of an up-and-coming rapper.

When a man is gunned down while walking his dogs in a quiet park, surveillance video leads detectives to an unlikely suspect.

In Mobile, one teenager is killed, and another's life is forever changed when a single decision turns fatal.

When hip hop artist Chucky Trill is gunned down on a highway after leaving a nightclub, Gwinnett County Homicide must retrace his steps to find the killer.

When a father of two is shot dead while driving, detectives must retrace his steps to figure out who killed him.