"He and the movie’s armorer, Hannah Gutierrez-Reed, each will be charged with two counts of involuntary manslaughter.

One of the counts is for involuntary manslaughter, in which prosecutors will have to prove there is underlying negligence, prosecutors said. The charge is a fourth-degree felony and carries a sentence of up to 18 months in jail and a $5,000 fine.

The second charge is involuntary manslaughter in the commission of a lawful act, which requires proof that there was more than simple negligence involved in a death, prosecutors said. This charge includes a firearm enhancement, which adds a mandatory penalty of five years in jail."