Note Hu12 cites a link above as support for his allegations of Dan Howitt.  In reading the chat-site thread, and note it's a mere chat-site and has a lot of personal attacks, gossip, unfounded content, libel, etc, you will, nevertheless, find considerable support for Howitt including climbing record photos, timing officials names, etc.  Hu12 emphasizes the allegations about the use of aliases, and this is gossip and unsupported.