On the evening of Thursday, April 20, 2023, 26-year-old Devon Liddell was found inside a home on the 900 block of Wilhelm Street in the Elliott neighborhood of Pittsburgh after a ShotSpotter alert just before 7 p.m. He had suffered a gunshot wound to the chest and was pronounced dead at the scene by paramedics. Investigators said the shooting may have arisen from a dispute.

Within a week, authorities identified a suspect. On April 26, 2023, the U.S. Marshals Western Pennsylvania Fugitive Task Force and the Pittsburgh Bureau of Police Fugitive Apprehension Unit arrested 20-year-old Tymair Cox in Wilkinsburg. Investigators determined Cox was responsible for Liddell’s death; he was taken to the Allegheny County Jail and later charged with criminal homicide, tampering with evidence, and a firearms violation.

Anyone with information about Devon Liddell, the April 20 incident on Wilhelm Street, or contacts who may have witnessed events that evening is asked to come forward.