A Rogersville Man Accused Of Attempting To Rob A Kingsport Pharmacy Last Year Has Admitted To The Crime In U.S. District Court In Greeneville. Vincent Dennis Plead Guilty To Armed Robbery, Use Of A Firearm During A Violent Crime And Being A Felon In Possession Of A Firearm. He’s Accused Of Trying To Rob Walgreens On West Stone Drive By Writing A Note To The Employee Demanding Drugs In Exchange For No One Getting Hurt. Dennis Faces Life In Prison And A 250-Thousand Dollar Fine When He’s Sentenced December 1st.