SUFFOLK COUNTY, N.Y. - The search for a woman from Jersey City has led investigators to a Long Island beach.

Police say Shannon Gilbert, a prostitute who advertised on Craigslist, was last seen visiting a "client" on Fire Island May 1.

Authorities discovered four bodies on the beach since Saturday, but have not yet determined if any of the remains belong to Gilbert. Police say they fear they may now be dealing with a serial killer.

Investigators were searching again today, combing the marshy area north of the beach for more clues.

Bodies found in LI during search for Jersey City woman