A man was put to death early Tuesday for fatally shooting a man whose terrified 5-year-old son wouldn't be quiet during a supermarket robbery.

Lawrence Lee Buxton, 38, was pronounced dead at 12:21 a.m., about seven minutes after receiving a lethal injection.Buxton was convicted of killing Joel Slotnik, 40, of Katy, in a suburban Houston supermarket in September 1980.