A man suspected of killing a Brooklyn artist at a Southampton resort was found dead from a self-inflicted gunshot wound at his home in Pennsylvania, Suffolk police said. Thomas Gannon, 56, was a suspect in the death of Sabina Rosas, 33, of Brooklyn, at the Shou Sugi Ban House in Water Mill. Read the latest on this developing story at the link in our bio. - #longisland #longislandny #liny #longislandnewyork #suffolkcountyny #suffolkcounty #watermill #southampton #hamptons #spa #resortandspa #breakingnews #brooklynny #linkinbio