An Ambridge man has been charged with robbing the Aliquippa Food Mart at gunpoint. Police say 19-year-old Harlan Snipes and an unidentified man threatened a store clerk with a pistol, then fled the store with $500  on February 17. Snipes returned to the Aliquippa Food Mart on February 20, wearing the same ski mask and hooded sweatshirt from the robbery. Aliquippa police have charged Snipes with robbery and other crimes.