A Syosset man was arrested Thursday after an undercover Nassau detective met with him in response to the man's Craigslist advertisement that offered LSD for sale, police said.

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The two met at Greenfield Road and Locust Lane in Syosset. But it was then determined that the 10 strips offered for sale were not LSD, but a fake, police said, so Adam Friedman, 24, of 405 Gardiners Ave., was charged with sale of imitation controlled substance-manufacture.

Friedman was released with a desk ticket pending his appearance July 5 in First District Court, Hempstead, police said.