Janesville police are reviewing the surveillance tape at Lions Quick Mart on East Racine Street after a weekend robbery. The clerk told officers a man walked in through the west entrance about midnight Saturday and pointed a gun at her. The robber took off with the cash on foot. He’s described as a male of unknown race because he was wearing a black ski mask. He was also wearing a blue-white plaid hooded sweatshirt, black shorts with a gray and white stripe on the side and the lower back bottom of the shorts. He may have also been wearing gray and white Nike’s.