The vacant building that once housed the Riverside Academy in Wichita, Kansas, was covered in haunting graffiti: “Burn this place.” “Youth were abused here … systematically.” “This is a bad place.” The facility, run by the for-profit company Sequel Youth & Family Services, promised to help kids with behavioral problems. But state officials had cited the facility dozens of times for problems including excessive force by staff, poor supervision and neglect.