Gunman kills four, including NYPD officer, in shooting at NYC office building

Let's talk about what took place last night. Officials saying a gunman opened fire inside a Midtown Manhattan office building and killed a New York police officer and three other people. Law enforcement sources telling NBC News the suspected shooter acted alone and died from a self-inflicted gunshot wound.The building where that shooting took place houses offices for so many businesses uh so many that we know so well here on this broadcast. The NFL as well as Blackstone, KPMG and real estate firm Ruden. Fou ...