massive sadist pedo community uncovered at tribe.net

has been active for a decade

owner and founder is marc pinkus, founder of zynga and founding investor of twitter, facebook and more

CP openly available

sadist "tribes" like: NO LIMITS! How sick 'n' twisted are you? with disturbing content

owner notices people are investigating and takes down the site

the end???

http://8ch.net/pol/res/8195856.html (NSFL)

http://archive.is/xA2qz (NSFL)

Quite a lot can be found by using the wayback machine.