The 68-year-old then stood over Bigone and shot him again before running away from the scene, police said.
Chagniot was arrested in connection with Bigone’s killing and charged with murder, along with an allegation that he used a firearm in the commission of the murder, and a special circumstance allegation of lying in wait. He was also charged with assault with an automatic firearm, arson, possession of an automatic firearm, possession of a silencer, and possession of a high-capacity magazine.
A San Francisco judge, meanwhile, has barred the home from being sold while the case against Chagniot plays out in court, according to the San Francisco Standard.