The California Highway Patrol says a driver of a vehicle was shot by the passenger, then run over by a vehicle on Tuesday night.
The incident happened on I-5 headed south near 43rd Avenue in Sacramento.
After the shooting, the passenger took the vehicle and drove off. They would abandon the vehicle on the freeway in Vacaville and walk on the Alamo Drive offramp to a nearby neighborhood, where police later found the suspect.
The person who hit the driver on I-5, stayed at the scene and called 911.
The driver that was shot was pronounced dead at the scene as the CHP arrived around 8:50pm Tuesday night.
No other details were released.