An illegal immigrant began his murder trial for the 2014 killings of two Northern California sheriff's deputies on Tuesday with a profanity-laced rant, calling a partner of one of the slain officers a "coward."

Prosecutor Rod Norgaard recounted the events that led to the death of Sheriff's Deputy Danny Oliver outside a Sacramento motel in October 2014, and described how Oliver's partner, Deputy Scott Brown, was able to retreat from the heavy gunfire.

Luis Enrique Monroy Bracamontes, 37, the alleged killer, interrupted the court when he grinned and called Brown a "coward." 

"I wish I had killed more of the mother-------s," Bracamontes told the court. He continued: "I will break out soon and I will kill more, kill whoever gets in front of me...There's no need for a f---ing trial."

Bracamontes defense attorneys cited the outburst as more evidence that their client is unfit to stand trial.