(KMOV) -- Authorities are searching for a missing 63 year-old mentally handicapped from Wood River, Illinois.
Wood River Police said Robert Dickerson was last seen on Monday in Granite City. Authorities report Dickerson was walking on the highway and reportedly was heading to Cape Girardeau, Missouri.
Dickerson was last seen wearing a gray hoodie, blue jeans and dark shoes. Police fear for his safety because he has prescribed medications that could be life threatening if not taken.
If you have any information on Dickerson's whereabouts call the Wood River Police at 618-251-2113.