Houston police are asking for the public's help to track down the gunman who they say shot a woman to death in a car in west Houston Tuesday night. The 48-year-old woman was found dead around 9 p.m. outside a gas station on Barker Cypress Road near the Katy Freeway.

A woman was shot to death in a car Tuesday night at a west Houston gas station, police said.

Surveillance video shows the victim accidentally backing up into the suspect's car before he was punched, kicked, and chased from one side of the parking lot to the other.