New York City police have released images of the suspect who fatally shot Brian Thompson, the CEO of the largest private health insurance company in the U.S., in Manhattan. The incident occurred around 7 a.m., and Thompson succumbed to his injuries shortly after being taken to the hospital. The shooter, wearing a mask, approached Thompson from behind and fired multiple shots before escaping on a bicycle. Authorities continue to search for the assailant, who was seen smiling moments before the attack.