Smile - you're on TV. Nice clear pictures of the little scrotes, so someone probably knows them.
When they are caught, my special 'prize' for them would be to spend 100 hours emptying the Controlled Emission Tanks on trains. It's thoroughly unpleasant work, and it might put them off trains for life. Additionally if their personal hygene isn't scrupulous, there's a very real risk of contracting Hepatitis - a trophy to take home with them.
