The Mississippi Highway Patrol has issued a Silver Alert for 46-year-old Derrick Johnson of Vicksburg.

He is described as a black male, five feet seven inches tall, weighing 160 pounds, with brown hair and brown eyes.

He was last seen wearing plaid pajamas and a navy jacket on Saturday, Oct. 22, between 5 and 6 p.m. in the 600 block of County Road 370, walking in an unknown direction in Enterprise, Clarke County.

Family members say Derrick Johnson suffers from a medical condition that may impair his judgment. If anyone has information regarding the whereabouts of Derrick Johnson, contact Clarke County Sheriff’s Department at 601-776-1385.