Gene Maddaus Senior Media WriterThe family of Halyna Hutchins, the cinematographer who was shot and killed on the set of “Rust” in October, has taken the first step toward filing a wrongful death lawsuit.A Santa Fe, N.M., attorney, Kristina Martinez, filed a petition on Wednesday to be appointed as the personal representative of Hutchins’ estate. Martinez is seeking appointment “solely for the purpose of investigating and pursuing a lawsuit under the New Mexico Wrongful Death Act in the courts of New Mexico,” the filing states.Hutchins was preparing for a scene in a church building at the Bonanza Creek Ranch, near Santa Fe, when actor Alec Baldwin fired a Colt .45, killing her and injuring the film’s director.