The Tennessee Bureau Of Investigation Has Issued A Silver Alert For A Missing 82 Year Old Sullivan County Man Who Suffers From A Medical Condition. John Hammond Was Last Seen In The Area Of Tri State Lime Road In Blountville On July 20th. He Has A Medical Condition That May Impair His Ability To Return Safely Without Assistance. Anyone With Information On Hammonds’ Whereabouts Should Call The Sheriff’s Office Or 1-800-Tbi-Find.