Surveillance images show a man who pulled a gun in a Chipotle on Park Avenue just before midnight last Thursday.
Police say the suspect forced one worker to tie up another with zip ties.
The gunman made off with $6,000.
The perpetrator is described as a male around 6-foot tall and weighing 200 to 225 pounds, wearing black jeans, a black Northface jacket, black hooded sweatshirt and a black winter hat with a white emblem on the front. He was also wearing white gloves with red palms.
Anyone with information in regard to this incident is asked to call Crime Stoppers at 1-800-577-TIPS (5477).