COHOES, N.Y. (WRGB) – A Cohoes man was arrested Wednesday on drug charges after a joint agency investigation. Byron L. Robinson, 42, has been charged with one count of criminal possession of a controlled substance in the third degree and two counts of criminal possession of a weapon in the third degree. The charges reportedly stem from two search warrants that were executed by the Rensselaer County Sheriff’s Office Emergency Services Unit, in collaboration with the Cohoes Police Department.