An Emporia, Kan., couple adopted Edwin R. Hall when he was 7 because they wanted to give him a better life. Eight years later, after Hall was convicted in juvenile court of threatening his adoptive sister with a knife, he went back into state custody. He would spend the next three years in four juvenile correctional facilities and never return to his adoptive home. The 26-year-old Hall now sits in the Johnson County jail on $5 million bond, accused of kidnapping and killing 18-year-old Kelsey Smith one week ago today. His attorney, Paul Cramm, declined to comment Friday... Hall pleaded...