The UnitedHealthcare CEO shot and killed outside a Manhattan hotel in a "targeted" attack Wednesday morning had received multiple threats, his wife told NBC News.⁠ ⁠ The suspect, dressed in a hooded sweatshirt and carrying a distinct gray backpack, then fled on foot down an alleyway before pedaling an e-bike into Central Park a few blocks away. ⁠ ⁠ The shooter was at large, sparking a search that included police drones, helicopters and dogs.⁠ ⁠ The latest details here: http://on.nbc6.com/qHr999p