Outrage builds as video shows Idaho police shooting a knife-wielding autistic teenager

Idaho police officers opened fire from behind a chain-link fence just seconds after exiting their patrol cars and critically wounded a teenage boy — described by his family as nonverbal, autistic and intellectually disabled — as he stepped toward them with a knife, video from a witness shows.

​ Idaho police officers opened fire from behind a chain-link fence just seconds after exiting their patrol cars and critically wounded a teenage boy — described by his family as nonverbal, autistic and intellectually disabled — as he stepped toward them with a knife, video from a witness shows. Read More Breaking News, Latest News and Videos | CNN