LAGUNA BEACH, CA - Laguna Beach Major Crimes Detectives have arrested an 18-year-old woman for vehicular manslaughter following Thursday night’s fatal hit and run collision at S. Coast Highway and Pearl Street. Sysillia Morrison Montes De Oca, 18 years of age, a resident of Costa Mesa, surrendered herself to the Laguna Beach Police Department around 6:00 p.m. Friday evening. Morrison Montes De Oca was booked for vehicular manslaughter with gross negligence, and felony hit and run. She posted the statutorily set $100,000 bail and was released pending further court proceedings.

Detectives credit members of the public in assisting with the identification of the driver following a press release this morning which led to the identification and arrest of Montes De Oca less than 24-hours from the time of the accident.

Around 9:38 p.m. Thursday, LBPD officers responded to a hit and run collision with injuries at S. Coast Highway and Pearl Street. A man and woman, both 60 years of age and residents of Costa Mesa, were struck by a vehicle while crossing S. Coast Highway in a marked lit crosswalk. Both victims, determined to be husband and wife, were transported to a local hospital for treatment. The male, Stanley Isaacs, succumbed to his injuries and died at the hospital. The woman was evaluated for minor injuries and discharged from the hospital.

Evidence at the scene indicated the suspect vehicle was a 2005-2010 Volkswagen Jetta. Through investigation, Laguna Beach Detectives located the vehicle, a silver 2009 Volkswagen Jetta, concealed in a garage in Aliso Viejo. The vehicle has been impounded for evidence. Investigation is ongoing to determine if drugs and/or alcohol were a factor. Speed is believed to a contributing factor. 

“We extend our deepest condolences to the victims of this tragedy and to their family during this difficult time,” said Laguna Beach Police Chief Jeff Calvert.