WESTBURY - ? A Westbury man has pleaded not guilty to abusing a little girl at a store in Nassau County. Cops say Robert M. Mosquera, 40, was seen approaching the 9-year-old while in the Costco on Old County Road.

Investigators say Mosquera approached the girl from behind as she was looking at a toy display and began making sexual movements, thrusting his pelvis and making contact with the victim. The victim was shopping with her mother who witnessed the incident.

News 12 Long Island?s Erin Colton has learned that Mosquera is the father of a 7-year-old boy.

Mosquera has been charged with sexual abuse in the first degree and endangering the welfare of a child. The judge set bail for Mosquera at $30,000. He is expected to be back in court next month.