HOUSTON, Texas (KTRK) -- Officials say that a 6-year-old boy was killed after he was run over three times by a man who told police that he had been drinking on Saturday evening.According to records, in the 9700 block of Leawood Boulevard, the boy was with his grandfather walking across a parking lot when he was struck.The grandfather yelled at Hernandez, who then allegedly stopped, backed up, and then ran over the child again, causing one of the tires to rest on the face of the child, as stated in records.According to police, Hernandez admitted to drinking four 16-ounce beers while parked at work before driving to a washateria where he was going to meet someone who owed him money.This would not be the first time Hernandez is accused of drinking and driving."