Police say 68-year-old Leonard Crow, identified as being from Oklahoma, died in Monday's crash after his car collided with another driven by Reed at an intersection. Police say Crow died at Delta Regional Medical Center.
Reed, who also served as the GOP's national committee member from Mississippi, was airlifted to the University of Mississippi Medical Center in Jackson where he was listed in stable condition Tuesday.
A passenger in Crow's car also taken to UMC but their condition was not available.
Police say the collision is under investigation.