Wainscott Homeowner Shot Dead in Manhattan

Update, noon: According to the New York City Police Department, a 911 call was received at 3:31 p.m. on Sunday. The police said Thomas Gilbert, 70, was shot in a bedroom in his apartment. An EMS team pronounced Mr. Gilbert dead, at the apartment. Detectives of the 17th Precinct are questioning his son, Thomas Gilbert Jr., 30, but the investigation is ongoing, they said.

Originally, 9:45 a.m.: A New York hedge fund founder with a house in East Hampton's Georgica Association was shot dead in his apartment at 20 Beekman Place in Manhattan Sunday afternoon.

Thomas Gilbert, 70, was reportedly killed by a single shot to the head. Police are questioning his son, Thomas Gilbert Jr., 30, in connection with the death, but had not pressed charges as of Monday morning, according to multiple published reports.

East Hampton Town police were called to Mr. Gilbert's Association Road residence last March, after Mr. Gilbert arrived from the city, discovering that someone had been staying in the house. Nothing was reported stolen, and no arrests were made.

The elder Mr. Gilbert is the founder of Wainscott Capital Partners, which he described on his Linkedin page as "a long-short hedge fund that I have formed based on a 25 year track record of investing in public equities as well private equity transactions." The fund has an estimated value of $200 million.