Prince William County Police are looking for witnesses to the Dec. 31 crash that ended in the death of Officer Chris Yung.
Yung was on his way to another traffic accident when a 2001 Dodge Caravan crossed in front of him on Nokesville Road, investigators said. Authorities said that Yung was traveling through a green light, and had his siren and lights on when he was hit. He died at a local hospital. The incident is still under investigation.
Anyone who witnessed the crash should contact the department's communications center at 703-792-6500.