He's 16.
Make him a greeter and have him chase carts & mop floors for the summer.
Instead they charge him with "harassment and bias intimidation." WTF
Not saying what he did is right, but what is having mommy & daddy pay a shitload of legal fees really accomplishing here?
Why are the intercoms accessible to non employees anyways? It doesn't take a rocket scientist to figure out that if you leave something like that readily accessible to anyone that someone is bound to be tempted to fuck with it.