A two-month drug investigation leads to a Binghamton man facing charges. 27-year-old Charles Robinson was arrested on Wednesday by members of the New York State Police, along with the Vestal and Endicott Police Departments. Police were able to obtain a warrant to search Robinson’s residence in the Saratoga Heights apartment complex. During the search they found seven grams of crack cocaine, a loaded Browning semi-automatic handgun, a scale, marijuana, and close to $500 in cash. Robinson is facing multiple drug charges, along with criminal possession of a weapon and endangering the welfare of a child. He was arraigned in City of Binghamton Court and sent to the Broome County Jail without bail.