Suffolk County police respond to a fatal crash on South...

Suffolk County police respond to a fatal crash on South Street in Manorville on Wednesday, Dec. 6, 2017. The driver, Crystal Visconti, 35, of Mastic died, police said. Credit: Stringer News Service

A Mastic woman was killed in a vehicle crash in Manorville on Wednesday night, Suffolk County police said.

Crystal Visconti, 35, was driving a 2004 Ford Explorer west on South Street when she “veered off the road west of Ryerson Avenue and hit a tree at approximately 7:18 p.m.,” police said in a news release.

She was pronounced dead by a physician assistant from the county medical examiner’s office. There were no passengers in her vehicle.

The Explorer was impounded for a safety check and the investigation is continuing, police said.

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