A married father of two with a third child on the way, the 36-year-old was working a New York Police Department-approved private security detail, in uniform, when he and three other people were killed Monday at the Manhattan skyscraper that houses the NFL's headquarters and other corporate offices.

Multiple people have been shot and killed at a New York City office building where the NFL is headquartered, according to NYC Mayor Eric Adams.

A gunman opened fire inside a building in New York City on Monday evening, killing four people and injuring a fifth.