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.

The Border Patrol began conducting operations in Sacramento on Thursday, as two federal court rulings have ordered them to stop warrantless raids.

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.