The suspect behind the shocking slaying of an artist at a luxury New York wellness center has been found dead of a self-inflicted gunshot wound at his home in Pennsylvania, police said.

Suffolk County police were looking for Thomas Gannon, 56, in connection with the slaying of Sabina Rosas, a 33-year-old Brooklyn artist who was found dead in a guest room at the Shou Sugi Ban House of Water Mill, New York.

Rosas was an artist who studied new media at Purchase College in New York, graduating in 2020, a school spokesman confirmed.

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Police are investigating the murder of a woman at the Shou Sugi Ban House in Water Mill, New York on Monday, October 28, 2024. According to police, the body was discovered in a guest room around 12:30 p.m. (Matt Agudo/Instar for Fox News Digital)

An online biography under her name described her as a childhood refugee from the former Soviet Union who arrived in the US in 2009 to study art.

Gannon’s LinkedIn profile identified him as a small business owner. His former partner told Fox News Digital that the two split more than a year ago when Gannon sold his shares.

“I’m not sure what he did,” he said. “It was a surprise.”

Southampton police were the first to respond around 12:30 a.m. Monday, according to authorities.

The gate remains closed at the Shou Sugi Ban House in Water Mill, New York on Tuesday, October 29, 2024. (Matt Agudo/Instar for Fox News Digital)

When they suspected foul play, they called the county for assistance.

A Suffolk County Police mobile forensic laboratory could be seen outside the main building on the three-acre property for hours on Monday, next to an iconic Buddha statue at the front entrance.

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In a statement, Suffolk Police said the victim met a violent end. Few other details were available.

The spa did not immediately respond to a request for comment.

Gwyneth Paltrow hosts a dinner in the Hamptons at Shou Sugi Ban House in New York City on August 22, 2024. (Madison Fender/BFA.com/Shutterstock)

Rooms at Shou Sugi Ban House cost upwards of $1,000 per night.

Guests at previous events have included Hollywood celebrities such as Gwyneth Paltrow and Kate Hudson, as well as fashion designer Stella McCartney.

Police stand guard outside the Shou Sugi Ban House in Water Mill, New York, Monday, Oct. 28, 2024. Authorities launched a homicide investigation after a resort worker found a woman dead in a guest room with signs of of violence. (Matt Agudo/Instar for Fox News Digital)

It was founded in 2019 by Amy Cherry-Abitbol as the first high-end wellness retreat in the Hamptons, according to Condé Nast Travelerwhose readers have given the destination a top rating in each of the past four years.

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She was inspired by the Japanese concept of wabi-sabi, which the country defines as embracing nature and finding beauty in imperfection.

Cherry-Abitbol partnered Co-founder of Noma and Michelin-star chef Mads Refslund for food, according to the spa’s website.

This is breaking news.