Cinematographer Hutchins, 42, died in October after being hit by a live round from a gun during a rehearsal on the set of New Mexico.
The criminal investigation into the fatal shooting of an American film starring Alec Baldwin "is nearing completion," the official leading the investigation said Tuesday.
Santa Fe Sheriff Adan Mendoza's comments come after his department released a compendium of material surrounding the incident that claimed the life of Helena Hutchins on the set of the low-budget western "Rust", which featured Baldwin. With footage of him apparently practicing with the gun that killed him. ,
"We anticipate a time frame ... in weeks and not months," Mendoza told broadcaster ABC.
“There are some things we look forward to in the final FBI report regarding firearms, munitions, secret prints and analysis of DNA.
"We're also waiting in the medical investigator's office to complete their report and analysis of a little more cell phone data."
Cinematographer Hutchins, 42, died in October after being hit by a live round from a gun during a rehearsal on the set of New Mexico.
Baldwin, who was a producer as well as the film's star, was told the gun was safe and had previously stated that he did not pull the trigger.
Footage released by the Sheriff's Department shows first responders rushing to treat Hutchins, as well as a dazed Baldwin's first encounter with law enforcement.
Other clips, apparently from the now-abandoned film, show the Hollywood star sitting in a wooden church pew in period dress and pulling out a colt gun, which he points in the direction of the camera.
The shooting moment, in which director Joel Souza was also injured, is not visible.
- Criminal cases -
Strict measures must be taken on movie sets to prevent tragedies, which include the exclusive use of dummy or blank rounds in any production involving firearms.
But a health and safety investigation by New Mexico officials, which raised more than $136,000 in fines, said last week that growers showed "plain indifference" to these protocols.
Mendoza said Tuesday that the origin of the live rounds that killed Hutchins was "one of the key questions" of the criminal investigation.
"No one came forward and admitted to bringing ammunition to the sets," he said.
The raft of material includes messages from Hannah Gutierrez-Reid, the young Arsenal responsible for the weapon on set, which mentions the use of live rounds on another film.
"It's concerning, because 'Rasta' went into effect only a few months before production," Mendoza said. "And these are some of the same employees and people who played a role in the production of 'Rasta'."
Mendoza said a decision had not yet been made on whether Baldwin would face criminal charges.
"It was he who handled the weapon that fired the round which caused death and injury," he said.
“We are going to work closely with the (district attorney) office to determine whether there are criminal neglect or criminal charges.”
Although no criminal charges have been filed to date, there have been a series of civil lawsuits.
The Hutchinso family has sued Baldwin and other "Rust" producers, claiming "substantial" damages for his wrongful death.
Other proceedings have been initiated against the producers by the film's Chief Lighting Technician and Screenplay Supervisor.
Gutierrez-Reid has sued the film's ammunition supplier, accusing them of leaving genuine bullets among counterfeit cartridges.
Baldwin told a TV interviewer in December that Hutchins had instructed him to point the gun in his direction, and not pull the trigger.
"I think someone is responsible for what happened and I can't say who it is. But I know it's not me."