Shots rang Thursday night at a crowded party in Orinda that was advertised on social media. When officers arrived, they found a home party of more than 100 people, according to a Costa County sheriff's statement.
"Arriving officers discovered a very chaotic scene involving gunmen, injured participants and numerous people fleeing the scene. Partigrears apparently came from all over the bay area for the Halloween event. … The party took place at home.
Two firearms were found inside the house and a crime lab was analyzing them to determine if they were used in the shooting or other crimes, authorities said.
] The victims killed are Oshia and Tompkins, 1
The shooting was hired by Airbnb, which bans parties. the investigation.
Prior to the shooting, police officers from Orinda were called to the house at 9:19 pm and about an hour later in connection with a noise complaint.
"At 10:48 p.m., an officer went home to investigate the calls," the sheriff's office said. "The initial reports of the shooting came at about 10:50 AM."
Orinda is a suburb east of Berkeley in the Bay Area.