ABC News October 30, 2024

Woman found murdered at Hamptons resort, suspect dead

WATCH: Woman found murdered at high-end Hamptons retreat

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, popular with celebrities, is located in Water Mill, between Southampton and Bridgehampton.

WABC
A woman was found murdered at the Shou Sugi Ban House in Water Mill, New York, on Oct. 28, 2024.
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A law enforcement source told ABC News that Rosas checked in with a man who left alone on Monday morning.

The suspected killer, 56-year-old Thomas Gannon, has been found dead of a self-inflicted gunshot wound at his home in Honesdale, Pennsylvania, according to police.

WABC
A woman was found murdered at the Shou Sugi Ban House in Water Mill, New York, on Oct. 28, 2024.

Gannon appears to have been Rosas' boyfriend, sources said.

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