(FOX40.COM/KRON4) — Two people were killed in what police believe is a domestic homicide case in Stockton on Monday, the Stockton Police Department said. The suspect remains at large. According to SPD, crews responded to the 2500 block of Belleview Avenue and found two people unresponsive. Heavy travel day off to a rough start after American Airlines briefly grounds all flights Officials said that they located a 43-year-old woman and a 19-year-old man not breathing. They were both pronounced dead on the scene. Police said that the suspect is a 38-year-old man named Julio Ceasar Valdez, and he has been seen in a gray four-door sedan. SPD said that the motive seems to be domestic-related. Anyone with information about the suspect is asked to call Stockton Crime Stoppers at (209) 946-0600. You may remain anonymous.