Robbie Allen Head, a 55-year-old white male, was reported missing on April 21, 2025, alongside Tiffany Ann Williams, 44, and David Dewayne Walker, 42. Their disappearance was deemed suspicious after investigators discovered their home in disarray, with large amounts of blood and fired gun casings present. Authorities later found their bodies on April 24 near a creek along Temple Hall Highway in northern Hood County.
The Parker County Sheriff's Office and Texas Rangers arrested three suspects in connection with the case. Trin Lawrence McKnight, 27, and Barrett Copeland, 19, were charged with capital murder, while Michael Morris, 18, faced charges of tampering with physical evidence and abuse of a corpse. Investigators believe the crime was drug-related, specifically involving methamphetamine. According to arrest records, McKnight identified his accomplices and alleged that Dennis Craig Alexander, who was later exonerated, held the victims at gunpoint while the others searched for drugs and money. McKnight claimed Alexander shot the victims before they were transported to the creek and dumped.
The investigation remains ongoing, with authorities continuing to gather evidence and build their case against the suspects.
