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.

The authorities investigate after a man is murdered after a game of pool in a crowded bar, and they realize surveillance video captured the crime on tape.

After a homeowner reports a theft of $9,000 to the authorities, a father of three is mysteriously killed on the homeowner's front porch.