looks like they have some suspects- http://www.halflife2.net/forums/showthread.php?s=&threadid=10781&perpage=15&pagenumber=1
if u check www.*****.com, seeing the fingers pointed at em, these kids are now hosting the hl2 source code for d/ling on their site. i hope the fbi or other hackers get em soon. i mean, u can hack the CIA, banks etc, u don't hack a game company- it's a game company for christ sake, they make games! lol wtf u hack a game company for?