UPDATE, JUNE 16, 11:20 P.M.: Los Angeles Times reports the suspect in custody is 35-year-old John Rand Agosta of Orange, and the victim is his estranged wife.
ORIGINAL POST, JUNE 16, 5:50 P.M.: Just after 2 p.m. today, officers responded to reports of gunfire around Turtle Rock and Almalfi drives, near Turtle Rock Elementary School.
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A neighbor heard screams and gunfire, then called the police. Nearby homes were evacuated and officials at Turtle Rock Elementary issued a school lockdown. No students were on campus at the time, and police let staff members out one by one, the Orange County Register reports.