SECOND LIFE
Jason Farrell investigates the secret children's playground in the virtual world Second Life where paedophiles cruise and the mansion where rape is encouraged.
Read Jason Farrell's blog. {ed.: link was not provided}
NSPCC
I wonder how much of this is inflammatory reporting and how much is a true problem.
{ETA: Further surfing on their site and I found Jason Farrell's blog and thence this post.}
I think that Snopes needs to look into this.