The handling of firearms on the Santa Fe, New Mexico set of Rust was said to be 'green,' 'immature' and 'lackadaisical.' Some of those working on the set prior to the shooting that saw cinematographer Halyna Hutchins killed and director, Joel Souza, wounded, are said to have been horrified by what they saw. The allegedly poor safety measures involving weapons on set was captured in pictures taken by others working on the film. In one photo, the armorer, 24-year-old Hannah Gutierrez Reed, can be seen standing in a circle together with two other women, with a pair of Old West rifles and a revolver. Handling of guns on set of Rust said to be 'green', 'immature' and 'lackadaisical'. Hannah Gutierrez Reed, 24, pictured, was the armorer on the set Hannah Gutierrez Reed is seen holding a weapon on the set of a movie in an image taken from social media. A source has come forward to detail several instances where guns were being improperly held or left on the ground In the photograph described by Fox News but not published publicly, the barrel of the rifle can be seen resting against the stomach of one of the women all the while Gutierrez Reed is on the phone. The butt of the other gun is said to be propped up against the woman's hip while a third women is seen holding a revolver at the end of the grip together with tangled wired with the barrel of the gun pointing towards the ground. 'People didn't know the rules,' a source told Fox who also detailed other seemingly unsafe episodes. In another incident, someone gave Gutierrez Reed a revolver while she was sat on the ground and 'playing on her phone'. She is said to have taken the gun without looking up and then allegedly tucked it into her waistband. 'Stuff like that just seemed unprofessional and it does not create an atmosphere of safety or professionalism,' the source said. 'When you find out she says her training came from her father [famed Hollywood armorer Thell Reed], you think, "Oh she's a hire because of her connections."'