Jefferson County, Illinois — On Tuesday, May 9, 2023 at approximately 3:00 a.m. on Interstate 64 eastbound at mile post 72, an ISP Trooper stopped to assist a stranded motorist on the right shoulder. Upon arrival, the Trooper encountered 23-year-old Brandon Griffin of Albuquerque, NM and 31-year-old Christine Santos in the vehicle. A second ISP Officer arrived for routine assistance a short time later. While on scene, an altercation occurred during which gunfire was exchanged between Griffin and a responding officer. A 16-year ISP officer suffered serious, although non-life threatening, injuries after being shot during the altercation and is being treated at a regional hospital. Griffin was pronounced deceased on scene by Jefferson County Coroner’s Office personnel. The other involved Trooper and female passenger were uninjured. Initially, all lanes of Interstate 64 eastbound were closed, but were reopened at approximately 6:25 a.m. Eastbound lanes were temporarily shut down again at 7:48 a.m. as part of the investigation, but reopened at 8:53 a.m.