The Knoxville Police Department is asking for help finding a missing elderly man. Police believe Jack Burchfield could be in danger after he was last seen leaving Fort Sanders hospital around 6:15 p.m. yesterday. He is described as a Caucasian male, standing 6 feet tall, and weighs 165 pounds. Police say he drives a 2013 white Lincoln MKZ with Tennessee tag 828-BGJ. Burchfield suffers from memory loss and confusion and was believed to be driving to his home in Seymour but never arrived.