A Concord man in custody for allegedly murdering his elderly parents on New Year’s Eve was found dead in his cell after purposely smashing his head against a wall, authorities said Friday.
The Contra Costa County Sheriff’s office said in a press release that 61-year-old Kirk Richardson was found unconscious in his cell Thursday afternoon, hours after he was treated at a hospital for injuries “apparently sustained as a result of him purposely banging his head while housed in a cell.”
Richardson was arrested on December 31, 2025 on two counts of murder after his parents, identified as Joyce Richardson, 85, and William Richardson, 90, were found shot to death at their home on Walnut Avenue and Clayton Way. Officers responded to the home at about 7 a.m. on a report of family disturbance…