A man stalked through a Manhattan office tower firing a rifle Monday, killing four people, including a New York City police officer, and wounding a fifth before taking his own life, officials said. The shooting took place at a skyscraper that is home to the headquarters of both the NFL and Blackstone, one of the world's largest investment firms, as well as other tenants. https://www.wtsp.com/article/news/nation-world/manhattan-new-york-city-shooting/507-a7b9d3c0-a84a-4e08-93ef-1a170bd8313c