mark weinberger was never shy about telling the people of northwest indiana who he was and what he wasr is ken allen, a man who was weinberger's chief nemesis before he vanished and later became one of his most persistent pursuers. >> he knew he was mutilating patients to bill the insurance companies for surgeries that weren't necessary. it really is evil, and he needs -- he deserves to be punished. >> ken allen, you'll remember, is the lawyer phyllis barnes hired to sue weinberger. in court documents, allen alleges that weinberger misdiagnosed phyllis' trouble breathing and gave her a surgery she didn't need while missing the advanced throat cancer that eventually killed her. >> he needs to understand it wasn't just the insurance companies that were harmed. it was people. lives were destroyed. people were hurt. >> phyllis barnes, it turns out, was just the tip of the iceberg. once mark weinberger fled, malpractice complaints began flooding in to lawyers like ken allen. among those new clients were kayla thomas and her mother valerie. in 2003, 8-year-old kayla began having headaches so