NEW YORK (AP) — A man with a rifle killed an off-duty New York City police officer and three other people before taking his own life at a Manhattan office tower on Monday, according to officials.

A New York police investigator exits her vehicle at the scene outside a Manhattan office building where two people were shot including a police officer, Monday, July 28, 2025, in New York.

(Gardiner Anderson for New York Daily News) The DOI began its investigation on March 12 and asked the sheriff’s office for a copy of the academy curriculum and a list of instructors.

A New York Police officers gather at the scene on 52nd Street outside a Manhattan office building where two people were shot, including a New York police officer, Monday, July 28, 2025, in New York.

NEW YORK (AP) — A gunman killed a New York City police officer and three other people before taking his own life at a Manhattan office tower on Monday, officials said. Law enforcement officials ...