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Mother of murder victim found dead; daughter arrested

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ELLENVILLE, N.Y. – It is a crime that has baffled investigators for years.

Shannan Gilbert’s body was discovered in Gilgo Beach in December of 2010. Authorities say Shannan Gilbert, who was a Craigslist sex worker, vanished in May of 2010.

An independent autopsy determined that she had likely been strangled to death.

Over the course of 20 years, 17 bodies of people associated with the sex trade have been found on Gilgo Beach. 

So far, no arrests have been made in her case.

Now, the victim’s mother, Mari Gilbert, has also been found dead.

Police sources told WPIX that 52-year-old Mari Gilbert was found dead in her apartment on Saturday afternoon.

Her other daughter, 27-year-old Sarra Gilbert, has been arrested for second-degree murder and criminal possession of a weapon.

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