Family of tragic tot whose dad allegedly tossed him into East River accuses NYPD of ‘negligence’: ‘We’re devastated’

Law-enforcement told The Post on Monday that the mom of little Montrell Williams did not alert cops that he had vanished with his father till May 11 — the day after Arius Williams, 20, had already allegedly threw his little son off the Bruckner Bridge in The Bronx.