A New York City police officer and three other people were shot and killed inside a Midtown Manhattan office building on Monday evening by a gunman armed with a high-powered rifle, police confirmed.The suspect,

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. Law enforcement officials were working to unravel what took place and why this location may have been targeted in a city that had recently announced it

Authorities say Shane Devon Tamura travelled across the country from Las Vegas to open fire inside the skyscraper.