Kenneth and Karen Crawford, 62, were travelling westbound when an eastbound vehicle, driven by Felix Rangel Diaz, 18, collided with their car head-on Aug. 1, according to WSP. Both Kenneth and Karen Crawford were airlifted to Kadlec Regional Medical Center in Richland. Kenneth died at 12:30 p.m. Monday at Harborview Medical Center in Seattle, according to WSP.