Most Disgusting Thing...

I'm wondering, what are some of the worse things that us 4channers have come across in our online travels. Not disgusting in an 'icky' or 'gross' sense, but as in something that disturbs you; shakes and rattles you to your very core.

For me, it is definently
http://perverted-justice.com/?archive=fleet_captain_jaime_wolfe

It's a chat log between an online predator and someone posing as a 13 year old girl to entrap him. The log reveals that man is simply... evil. I felt such an utter revulsion towards this person, an absolute disgust at the fact that he is a human being, just like me.

So, what's yours?

>>2
I think it's stupid too.  It's like going online and asking someone to help you blow up a building or murder someone, and then turning on them with a "HAHAHA I'M NOT INSANE YOU'RE A FREAK GO TO JAIL" mentality.  You basically create the crime.  And then they go to jail.  Stupid stupid concept.