Kerri Rawson sees her life in two parts: before and after she learned that her father was a serial killer. The before included camping and fishing vacations as a family; helping her father build a treehouse and working alongside him in the garden; going to church every Sunday. It also included verbal and emotional abuse, she said. The after began in 2005. Rawson was 26. An FBI agent knocked on her door and said that her father, Dennis Rader, had been arrested. He was accused of being an especial