Hannah Gutierrez-Reed, the head armorer of Alec Baldwin’s Western film Rust, has been found guilty of involuntary manslaughter, RadarOnline.comhas learned. Gutierrez-Reed now faces up to 18 months behind bars. She will be sentenced at a later date. After two weeks of testimony regarding the accidental shooting on set, in which cinematographer Halyna Hutchins was killed and director Joel Souza was injured, the jury took less than three hours to deliberate before arriving at their verdict. To convict Gutierrez Reed of involuntary manslaughter, jurors were required to agree that the armorer acted…