OKLAHOMA CITY (AP) — A gunman lay in wait outside Oklahoma City's Will Rogers World Airport on Tuesday before shooting and killing a Southwest Airlines employee in a premeditated attack that occurred while hundreds of people waited for flights nearby, police said.

Michael Winchester, 52, was shot while walking between a crowded terminal and the airport employee parking area. The unidentified suspect was later found dead in a pickup truck in public parking garage overlooking the scene. Police said the suspect appeared to die of a self-inflicted gunshot wound.

Oklahoma City Police Capt. Paco Bal...