UPDATE: Henson has been located in Marion County, Florida.
Authorities in Calhoun County are asking for the public's assistance in finding a missing elderly man.
A Silver Alert has been issued for 76 year old Clifton Henson. He was last seen leaving the Mossy Pond area of Altha in a 2001 black Dodge 1500 pick-up truck with Florida tag AEBX41. The bed of the truck has a chrome strip along the rail and a dealership identity tag that says it came from Tennessee.
Authorities believe Henson may be headed toward Bay County. They say he has severe Alzheimer's and requires 24 hour care.
If you have any information, please contact the Calhoun County Sheriff's Office.