THREE ARRESTED IN TRIPLE HOMICIDE INVESTIGATION

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THREE ARRESTED IN TRIPLE HOMICIDE INVESTIGATION

April 29

10:58 2025

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PARKER COUNTY SHERIFF’S OFFICE PRESS RELEASE

Parker County Criminal Investigations Division in corroboration with Texas Rangers arrested three individuals in connection with the homicides of Tiffany Ann Williams, 44; David Wayne Walker, 42; and Robbie Allen Head, 55, which occurred on Sunday, April 20, at a residence in southern Parker County.

The suspects are identified as Barrett Copeland, 19; Dennis Craig Alexander, 45; and Trin Lawrence McKnight, 27.

All three men have been charged with capital murder and are currently incarcerated at Parker County Jail. Their bonds were set at $1,000,000 each.

Copeland was additionally charged with burglary of a habitation with an additional bond amount of $50,000.

McKnight was additionally arrested on an outstanding warrant of possession of a controlled substance out of Tarrant County.

Parker County Sheriff Russ Authier said the investigation is ongoing but wished to thank the Texas Rangers for their expertise and assistance in aiding in this investigation and to Sheriff’s CID investigators, SCU investigators and Patrol Division for their efforts and hard work throughout this investigation.