UPDATE Tuesday 11:39 a.m.
The nun has been identified as Sister Jacqueline Walsh of Syosset, who was on a retreat with her colleagues from the Sisters of Mercy, police said.
Detectives said they found an unoccupied 2009 Volkswagen Touareg with front-end damage about a half-mile from the scene. Police have not identified the owner of the car.
They are asking for the public’s help in searching for the driver, whom they described as a “white Hispanic” male, about 5 foot 7 inches tall, in his 20s or 30s, with short spiked hair, who was wearing dark shorts and a white shirt at the time of the crash. Anyone with information is asked to call the detectives at 702-2230.
The Suffolk County district attorney’s office, New York State Police, a Riverhead Town Police K-9 unit, members of the Suffolk County police crime lab and the Southampton Fire Department responded to the scene.
Southampton Town Police said they are investigating the possible hit-and-run death of a nun in Water Mill Monday night.
The woman, whose identity has not yet been revealed, pending family notification, was found dead sometime around 8:30 p.m. on the east side of Rose Hill Road at the end of a driveway, officers said. She had been staying at a nearby retreat, they added.
Detectives and police officers were still on the scene as of 11 p.m.
Additional details were not immediately available.