Elgin

UNIVERSAL CITY, Calif. - Who is the "Big Brother" saboteur? That's the question that will no doubt consume contestants on the 12th edition of CBS' voyeuristic reality TV series that confines a group of strangers - or houseguests, as they're known on "Big Brother" - inside a makeshift two-story domicile for the summer, all while being constantly monitored by over 50 video cameras and 95 microphones.