An Island Park mom with her 6-year-old son in the car had marijuana, hypodermic needles and a substance believed to be heroin in the vehicle, Nassau County police said.

Christy Crespo, 28, of Warwick Road, was charged with criminal possession of a controlled substance, possession of a hypodermic instrument, endangering the welfare of a child and criminal possession of marijuana, police said.

Officers saw Crespo’s car parked in a known drug location on Long Beach Road in Island Park about 8:30 p.m. Wednesday, police said.

Officers then stopped Jonathan Delrio, 28, of Marlboro Drive in Port Jefferson, who told them Crespo was his girlfriend and that he was helping her with mechanical trouble, police said.

Delrio had a hypodermic needle in his possession, and he was arrested and charged with criminal possession of a controlled substance, possession of a hypodermic instrument and endangering the welfare of a child, police said.

Officers were able to see marijuana inside Crespo’s vehicle, as well as nine hypodermic needles and “a plastic spoon containing a substance believed to be heroin,” police said in a news release.

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A subsequent search of Crespo’s vehicle turned up four more hypodermic needles from the floor on the driver’s side and one from a rear pocket of the passenger seat, police said.

The child was released to the custody of his grandmother, and both defendants were awaiting arraignment in First District Court in Hempstead, police said.