For months, the young son of Bart and Jennifer Corbin had told people that he was afraid of violence in their posh, suburban Georgia home. Then, on the morning of December 4, 2004, neighbors found seven-year-old Dalton Corbin at their front door sobbing. Until then no one could have seen what was going on behind closed doors: that beautiful Jennifer Corbin was immersed in a cyber-sex lesbian affair--or that Bart, now a wealthy dentist, had a bizarre,...