Mr Alanis's death, and the violent clashes that ensued at those cannabis farms, are the latest examples of the kind of chaos that has swept across southern California since the beginning of June, when immigration raids began to intensify in the region.

On the heels of major shows of force by federal immigration agents in Southern California, a judge is set to rule in a lawsuit seeking to halt immigration raids in Los Angeles.

Authorities executed criminal search warrants in Carpinteria and Camarillo, California, on Thursday, the Department of Homeland Security said.