Greeneville Police Are Searching For A Man Who Allegedly Attempted To Rob A Dollar General At Knifepoint. The Incident Occurred Saturday Morning At The West Summer Street Location. Authorities Report The Suspect Brandished A Knife And Demanded Money. When The Clerk Didn’t Open The Register Quickly Enough, The Man Punched Her In The Face Before Fleeing On Foot Without Any Cash. Police Describe The Suspect As A White Male, Medium Build, Wearing Blue Jeans, A Black Hoodie And White Mask. Officials Warn He Should Be Considered Armed And Dangerous.