The 45-year-old male accused of slapping a New York University student's backside and knocking her to the sidewalk while she was on her way to class earlier this week is a repeat sex offender who was paroled in September.

James Rizzo was arraigned late Wednesday night in Manhattan Criminal Court, WCBS-TV reported .

'I let NYU security know to let students know that this man is going around doing this to other women.'

Rizzo — a Level 2 sex offender with 16 prior arrests and a history of violence against women— was paroled in September after serving time for sex abuse, the station said, citing the New York State Department of Corrections.

Police told WCBS that Rizzo kept on attacking women while he was out on parole.

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