Max Klymenko on TikTok

Matty on TikTok

Four people, including an off-duty New York City police officer, an executive at the investment management company Blackstone, an employee of the real estate firm Rudin Management and a security guard, were killed Monday evening when a man with a rifle walked into a Manhattan high-rise corporate building and opened fire. Here's what we know about them. #manhattan #ny #newyork #finance #crime #nf