New information has emerged since Friday's arrest of a 26-year-old man suspected of robbing a downtown Peekskill Bank and attempting to rob a Croton-on-Hudson supermarket. Joshue M. Flores reportedly slipped a note claiming he had a gun at the customer service counter at the M&T Bank at 1019 Park St., formerly Hudson City Saving Bank, demanding all the money in the register at around 8 p.m. Friday, according to state police.