(11-10) 22:23 PST FAIRFIELD --

A man shot and killed his wife in a moving car before turning the gun on himself in Fairfield on Thursday as Solano County sheriff's deputies tried to stop the vehicle, authorities said.

Enrique Preciado, 35, shot and killed Erica Dominguez, 25, as the two were in a white Cadillac traveling south on Chadbourne Road near Cordelia Road, said sheriff's Lt. Gary Faulkner.

Preciado then shot and killed himself, Faulkner said.

The shooting happened shortly after someone called 911 to report a disturbance involving a gun and two people in the Cadillac, Faulkner said.

Deputies and California Highway Patrol officers spotted the car and were positioning their patrol cruisers to stop it when they heard a gunshot and saw a muzzle flash inside the car, Faulkner said. Seconds later, they heard another gunshot and observed another muzzle flash, authorities said.

The car slowly rolled to a stop.