Multiple suspects and firearms were involved in a mass shooting last month in Stockton that left three children and a 21-year-old man dead and 13 more people injured, officials said.
The San Joaquin County Sheriff’s Office confirmed Tuesday that investigators were seeking multiple suspects, who wore all black clothing and face coverings, in connection with the Nov. 29 shooting, they said.
Detectives recovered roughly 50 casings from at least five different firearms at the shooting scene, according to the sheriff’s office…