The Washington State Patrol is hoping KING 5 viewers can help solve a mystery and close a case dating back to 1991. They're looking to identify a woman killed in a fiery collision on I-5 north of Kalama on May 14, 1991.

Detective Sergeant Stacy Moate, from the Washington State Patrol, shared more about the investigation.

Connect with the Washington State Patrol on Facebook and Twitter: @WAStatePatrol