LOS ANGELES—Actor Alec Baldwin expressed “shock and sadness” Oct. 22 over the death of cinematographer Halyna Hutchins, who was killed when Baldwin fired a prop gun on a movie set in New Mexico. Hutchins, 42, died at the University of New Mexico Hospital in Albuquerque following the on-set mishap Thursday. The film’s director, Joel Souza, 48, was also injured, but he was treated and released from the hospital. “There are no words to convey my shock and sadness regarding the tragic accident that took the life of Halyna Hutchins, a wife, mother, and deeply admired colleague of ours,” Baldwin wrote on his Twitter page Friday morning. “My heart is broken for her husband, their son and all who knew and loved Haylna.” Baldwin, 63, was filming a scene for the film “Rust” on a movie set south of Santa Fe, New Mexico, on Thursday when he discharged the prop weapon. …