The First 48

A visit to Mobile ends in tragedy when a violent chain reaction leads to the death of a teenage girl.

In Tulsa, a horrific killing in a family home leaves detectives clamoring for answers. But first, the Mobile shooting of a beloved father leads investigators on a city-wide manhunt to find the man who betrayed his friend.

Homicide detectives in Tulsa, Okla., look into the secret parts of a 65-year-old man's life after a welfare check reveals the man was killed and robbed.