In the past 10 years, dozens of doctors have been accused of abusing hundreds of children. Many of those cases took decades to uncover, and experts believe many other pedophiles are operating undetected.
Experts said they follow a pattern established by numerous abusers: A methodical, cautious approach to securing victims often goes undetected or overlooked by parents and colleagues. Many abuse for decades. In a handful of cases -- including Bradley's -- hospitals have been accused of willfully ignoring warning signs, either for fear of litigation or out of simple denial that a physician could commit such acts, experts said.