The Monroe County Sheriff's Office is investigating a robbery at BJ's Restaurant and Brewhouse on Jefferson Road in Henrietta.
Investigators say a man wearing a ski mask jumped a fence and waited nearly three hours overnight for an employee to come outside to empty the trash.
The masked man barged inside, tied up the employee and a co-worker at gunpoint, and made off with some cash.
Deputies used a dog to try to track the robber, but no one is in custody.