FILE - This April 26, 2015 file photo provided by the Pima County Sheriff's Department shows, David Dwayne Watson, in Tucson, Ariz. The criminal case against the former Tucson Fire Department Capt., Watson, who built his career while he was a murder suspect in the cold case killings of his ex-wife, her mother and her mother's friend, begins with opening statements in Tucson on Wednesday, Oct. 5, 2016. (Pima County Sheriff's Department via AP, File)