That sux.. hope they weren't grown ups that were calling him, that'd make it even worse, hopefully theres a record to both support the claim of it and report both of the people, though really i suppose it's fireteam leader thst must take responsibility, am sure if this is a legit post there'll be a few offers of help, most people are cool, get idiots in every activity/place, also though unpleasent, theres worst 'life lessons' that could of been learned, just ensure your bro doesn't go to deep into it all and mistrusts everyone etc, as that would be icing on cake for idiots that do this crap..