OCALA, Fla. – UPDATE: Authorities say Mackenzie Ham has been found safe. EARLIER REPORT:Ocala police are searching for a missing teen who was last seen Jan. 8. Mackenzie Ham, 16, was last seen more than 20 days ago, according to police. In a Facebook post, Ocala police said, “URGENT ⚠️ The below pictured juvenile has been missing for over 20 days. Anyone with information about her whereabouts is asked to call 321-888-2198.