The officials spoke to The Associated Press on condition of anonymity because they weren't authorized to speak publicly.
The officials say Nicole John apparently fell from a window in Manhattan around 4:15 a.m. Friday. The officials say the fall was believed to be an accident.
John was found on a third-floor ledge on West 34th Street with severe trauma to the body. She was pronounced dead at the scene.
The U.S. State Department's website says her father, Eric John, was appointed U.S. ambassador to Thailand in 2007.
