The homeless man who allegedly shoved a woman into the path of a moving Manhattan train made a chilling confession — telling cops, “I did it because I wanted to,” a court heard Tuesday.

Markeese Brazelis, 26, who already has sex abuse and trespassing cases hanging over his head, is accused of pushing a 23-year-old woman into a moving A train in a random Monday morning attack.

Judge Marva Brown cut loose Markeese Brazelis on a 3rd-degree sexual abuse charge last week for groping a woman on a C train platform at West 50th Street and Eighth Avenue, despite the charge ...