Actor Alec Baldwin is facing criticism for a 2017 tweet he posted in which he questions "how it must feel to wrongfully kill someone." On Thursday, Baldwin, 63, was at the center of a Hollywood tragedy that unfolded on the set of the movie "Rust." Authorities said that Baldwin fired a prop gun on a movie set that killed cinematographer Halyna Hutchins. Director Joel Souza was identified as the crew member taken to the hospital.