Deadly double Antioch shooting appears to have been domestic dispute

ANTIOCH, Calif. (BCN) - A man arrested on suspicion of fatally shooting a woman at an Antioch convenience store this morning was previously in a relationship with the victim, police said.
   
The suspect, identified as 34-year-old Oakland resident Thomas Williams Jr., allegedly shot 27-year-old Cynthia Flores-Crose as well as a store clerk, 27-year-old Thomas Payne, Antioch police said.
   
Officers initially responded to the shooting at 7:11 a.m. at the Quik Stop store at 2760 W. Tregallas Road.
   
Police later determined that Williams had a heated exchange with Flores-Crose, a woman he previously had a relationship with, outside the store, police said.
   
Williams allegedly followed Flores-Crose inside the store and shot her and Payne, who tried to intervene, police said.
   
Payne is expected to survive his injuries, police said. Flores-Crose died of the gunshot wound she suffered. Both victims were Antioch residents.
   
Williams was arrested in front of the Antioch Police Department a short time after the shooting, police said.
He was arrested on suspicion of murder and attempted murder and booked into Martinez Detention Facility.