New York prosecutors have charged a Venezuelan man with attempted murder in a throat-slashing attempt that experts warn could be a potential copycat attempt ahead of an expected guilty plea from the suspected Gilgo Beach serial killer."This defendant allegedly drove a man that he knew to a remote beach and attacked him from behind with a knife," Suffolk County District Attorney Ray Tierney said in a statement."The evidence recovered from his vehicle raises serious questions about what he intended that night."ACCUSED GILGO BEACH SERIAL KILLER REX HEUERMANN EXPECTED TO PELAD GUILTY IN MURDER CASE: REPORTSRuben Guanipa Ramirez, 26, is accused