(NEW YORK) — The suspect in the murder of a woman at a high-end Hamptons resort has died from apparent suicide, law enforcement sources told ABC News.

A staff member at the Shou Sugi Ban House found Sabina Rosas, 33, of Brooklyn, New York, dead in a guest room on Monday afternoon, Suffolk County police said.

The luxurious, exclusive spa retreat is popular with celebrities and is in Water Mill, located between Southampton and Bridgehampton.

A law enforcement source told ABC News that Rosas checked in with a man who left alone on Monday morning.

The suspected killer appears to have been a boyfriend of the victim, the sources said.

The victim’s cause of death has not been released.

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