KNOXVILLE, Tenn. -

Police say a man who took money from a Tennessee pharmacy allowed customers to step in front of him at the cash register during the robbery.

The Knoxville News Sentinel reports the suspect entered a Walgreens late Sunday night in North Knoxville and demanded money. Knoxville police Sgt. Jason Keck says the man kept a hand in his jacket pocket and indicated he had a gun.

Keck says when unaware customers approached the register; the man calmly stepped back and let them step in front of him.

Keck says when the customers left; the suspect stepped closer to the register and again demanded money.

The employee put cash on the counter; the man grabbed it and left.

Police officers searched the area but were unable to find him.