We did call the school. Shared our thoughts with the principal , but he says what the man decides to do on his own time is up to him..I like the paintball idea..Would have to do it on bicycle tho..no licence plates on them..then assault with a deadly weapon isn't something I'm willing to go down for..I like the water balloons filled with oil based Killz or that aluminum barn roof paint made by tremclad..they both dry real fast and those signs would be destroyed. As you can tell I have given this MUCH thought.....They took something from me and my daughter that day, that she will never get back..That's her innocence