An “autistic” Staten Island man who allegedly hurled his 1-year-old niece three floors down a trash chute has been slapped with charges for the deranged stunt, cops and sources said Wednesday.
Aaron Henderson, 39, was charged with assault, unlawful imprisonment and endangering the welfare of a child for allegedly dropping the tot down the chute inside the family’s building on Steuben Street near Weser Avenue in Park Hill around 3:15 p.m. Monday, authorities said.
The girl’s dad was in the bathroom when the alarming incident unfolded, law enforcement sources said…