UPDATE: Parente has been safely located.
Marion County Sheriff's Office issued a silver alert for Michael Parente.
Parente, 70, was last seen wearing a yellow shirt and green pants at Marion Oaks.
MCSO believes Parente to be headed to Jacksonville, driving a 2007 Gray Ford Ranger pickup truck.
He needs medication and suffers from memory loss.
Anyone who has information on Parente's location is asked to call 911.