Alec Baldwin ‘Rust’ shooting: Weapons expert details gun that fired live round: LIVE UPDATES

SANTA FE, N.M. – Deputies with the Santa Fe County Sheriff's Department recovered more ammunition and more firearms from the set of "Rust" in New Mexico while conducting a new search, Fox News confirmed.

"By executing the third search warrant, they confiscated additional weapons and ammunition," Santa Fe County Sheriff's Department spokesman Juan Rios told Fox News in a statement Thursday.

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On Wednesday, Santa Fe County Sheriff Adan Mendoza said in a press conference that a lead projectile that was taken from Souza’s shoulder came from the F.LLI Pietta Long Colt .45 caliber revolver that Baldwin, 63, fired during a dress rehearsal for the Western at the Bonanza Creek Ranch studio. The weapon in question is described as a black revolver manufactured by an Italian company that specializes in 19th-century reproductions.

"When you’re using period guns from the Western era of the U.S., they don’t require any modification at all to fire a blank," weapons armorer Bryan W. Carpenter told Fox News. "The guns from the 1800s are all mechanically operated. Meaning you have to do something each time to make the cylinder rotate and the gun fire. In the case of Alec Baldwin's gun that he used on this set… you would have to physically cock the hammer back with your thumb each time you wanted it to fire and then pull the trigger. Then cock the hammer back and then pull the trigger each time. It’s done manually."

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Alec Baldwin was spotted with his family for the first time since leaving New Mexico. (Jim Spellman/Getty Images)

Alec Baldwin has resurfaced in a quaint town in Vermont just days after the on-set "Rust" shooting, leaving local business owners in shock.

Chris Stannard, the owner of The Italian Market of Manchester told Fox News in an interview on Thursday that Baldwin, 63, was, in fact, on foot in Manchester Center, Vermont.

"Monday afternoon he was there," Stannard confirmed to us. "I was taking out my trash outside and my acquaintance that works there said, ‘You won’t believe who was just in here!' He told me and my jaw dropped."

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A former filmmaker informed Fox News that Alec Baldwin's position as a producer on "Rust" could make him quite important when it comes to investigating the shooting incident that killed Halyna Hutchins.

Carew Papritz, a former Hollywood filmmaker and an award-winning author, told Fox News that the "key players" in a situation like this matters, and that Baldwin was partly responsible for hiring them.

He believes Baldwin "would be responsible for knowing the experience of those positions. But knowing that it was a low-budget project, he was probably a much more hands-off producer."

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The sheriff investigating the shooting incident involving Alec Baldwin on the set of the movie "Rust" says the investigation is currently focused on the presence of live ammunition on-set.

Everyone involved seems unsure as to why live ammunition was on set in the first place. Now, Santa Fe County Sheriff Adan Mendoza stated in a recent interview that the investigation is actively looking into who brought live ammo to set and why.

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A New Mexico sheriff said Thursday that the ‘Rust’ movie set shooting involving Alec Baldwin was being treated as a criminal investigation and he would not rule out charges or suspects in the death of cinematographer Halyna Hutchins.

"I’d be careful using the word ‘accident,’" said Sante Fe County Sheriff Adan Mendoza during an appearance on "Fox & Friends." 

"This is obviously a tragedy and it was avoidable, so right now it’s a criminal investigation."

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Santa Fe County Sheriff Adan Mendoza questioned the accuracy of a statement made by someone from the set of ‘Rust.' (AP Photo/Andres Leighton)

Santa Fe County Sheriff Adan Mendoza appeared on the "Today" show Thursday where he discussed that the focus of the investigation is on how live rounds made their way to the set.

Armorer Hannah Gutierrez Reed previously told investigators that no live ammo is kept on set. However, given that a live round was recovered from director Joel Souza's shoulder after the incident, the Sheriff called that statement "not accurate as far as I'm concerned."

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