Brandon Willie Martin

Brandon Willie Martin, 27, allegedly used a baseball bat to kill the victims on the evening of Sept. 17, 2015. Martin is charged with three counts of first-degree murder with a special circumstance allegation of taking multiple lives in the same crime, as well as auto theft, evading arrest, obstructing a peace officer and injuring a police canine. On Sept. 17, 2015, prosecutors say, Martin swung a wooden, black baseball bat engraved with his name at his father’s Winthrop Drive home in Corona and bludgeoned to death his father, Michael Martin, 64; his uncle, Ricky Andersen, 58; and Barry Swanson, 62, a technician installing an ADT security system that was intended to keep Brandon away.