Detectives are asking for help in the search for a gunman who shot and killed a man in east Houston.

According to investigators, Ruben Nuncio, Jr., 37, got into an argument with the shooter at a home on Avenue F and North 70th Street at around 2:20 a.m. Thursday.

The gunman threatened Nuncio with a gun, left the home and returned about an hour later and shot Nuncio.

Investigators said the shooter fled the scene in a silver or gray Chrysler 300.

If you have any information, call Houston Crime Stoppers at 713-222-TIPS (8477).