Shootings at multiple locations in O.C. leave four dead

Orange County Sheriff’s Department investigators examine the scene of an early morning shooting at 5 Red Leaf Lane that left a woman dead.   (Don Kelsen / Los Angeles Times)

An unidentified Ladera Ranch resident talks on a cellphone near the scene of an early morning shooting that left a woman dead.   (Don Kelsen / Los Angeles Times)

A Tustin Police Department investigator looks at a shotgun shell next to car in the parking lot of Micro Center in Tustin where a man was killed during a carjacking.  (Mark Boster / Los Angeles Times)

A crime scene investigator photographs a body in the parking lot of the Micro Center computer store in Tustin.  (Mark Boster / Los Angeles Times)

A Tustin crime scene investigator catalogs shell casings in the parking lot of the Micro Center computer store.  (Mark Boster / Los Angeles Times)

Investigators walk by a vehicle on Red Hill Avenue in Tustin believed to have been involved in a series of shootings across multiple cities in Orange County.  (Mark Boster / Los Angeles Times)

A Santa Ana police officer walks past a body at the McFadden Avenue off-ramp from the southbound 55 Freeway.  (Mark Boster / Los Angeles Times)

Authorities believe the violence began in Ladera Ranch, south of Mission Viejo. The first call came at 4:45 a.m. reporting a shooting on Red Leaf Lane, where deputies discovered a woman shot dead.  (Don Kelsen / Los Angeles Times)

Orange County sheriff’s deputies investigate the scene at East Katella Avenue and North Wanda Road, where the alleged shooter turned the gun on himself in Orange.  (Gina Ferazzi / Los Angeles Times)

Orange County sheriff’s deputies and CHP officers investigate the scene East Katella Avenue and North Wanda Road in Orange.  (Gina Ferazzi / Los Angeles Times)