By the way, the probability that you download such material from a "paedophile" person is very low compared to the chances that you're downloading it from Interpol, a self-announced paedo-hunter or a moron with a trojanized machine. So, well, if you want to make your lawyer rich, go ahead and sue whoever. If you want to solve the problem - I doubt you actually want to - this is the wrong place to look for solutions. Children are not abused on Gnutella but in your neighbourhood.