The Orange County Sheriff's Department said Friday that 19-year-old Ashton Sachs was arrested and booked for investigation of murder and is being held without bail. Authorities say Sachs is a college student in Washington state and lives in the Seattle area.
Bradford Sachs, 57, and Andra Sachs, 54, were found shot to death last month inside their nearly 9,000-square-foot San Juan Capistrano house. Their 8-year-old son was also shot but survived.
Authorities found no signs of a break in.
Investigators have yet to identify a motive.
The couple, who had five children, filed for divorce more than a decade ago but continued to live and conduct business together.