You're right to be shocked, but there is no point discussing it here where LL don't read and most of the remaining mutants have some similar weird kink they need SL for, so not much support there.
I would suggest exposing these types through video and audio captured from a screen recording utility and posted in a public location like youtube. Don't break the SL rules, don't try too hard so the pedos can cry entrapment, and don't break the youtube rules. Once you have a small collection you can begin getting the word out to media, bloggers, law enforcement. Anyone with an interest in exposing this sort of scum.
This has all been done before in SL with varying degrees of success, but not consistently so they keep popping up again when things cool off. It's like pedo wack-a-mole.