Grandma's House

Some high school kids in Pine Bush, New York were recruited to take part in a reenactment of the Civil War Battle of Chancellorville. Great idea, right? Help them learn a little history first hand? Ok. They are given the uniforms, utility belts, fake muskets, the whole thing. So after the "battle", the kids go on with their lives. One of the boys put his uniform and equipment in the trunk of his car and forgot about it. Fast forward to school. I think you know what's coming. A security guard saw the fake musket in the trunk and turned the kid in. The boy was arrested and may face jail time for possession. I have two questions here: 1. Like the mother, I want to know why, if the kids could be arrested for having the weapons, were they given the weapons, and 2. How in the world did the security guard see the fake musket when it was in the trunk of the kid's car? Unless he had x-ray vision, there's something funny about the whole thing.