 The lead detective in the shooting of cinematographer Helena Hutchins on the film set of Rust is likely to be on the stand for most of today at Alec Baldwin's involuntary manslaughter trial in New Mexico as prosecutors try to cast the movie star as a reckless cavalier with a gun in his hand and the defense seeks to portray him as a working actor just doing his job. Corporal Alexandria Hancock of the Santa Fe County Sheriff's Office didn't become the chief investigator until two weeks after the October 2021 shooting.