The driver who killed a mother and son in Edinburg Monday is still at large.

50-year-old Belia Alvarez and her 22-year-old son were struck and killed by a vehicle on Richardson Road Monday evening.

Officials from the department of public safety say the suspect’s vehicle is a 2000 white four door Pontiac Grand Prix. The car may have major damage to the front end and windshield. The suspect is believed to be a woman in her 30’s. If you have any information about the incident contact DPS at (956) 565-7000.