Nearly every day of the week, listeners of KPRS-FM radio in Kansas City hear the voice of Damon Daniel making a plea for a missing teen to return home. As president of the AdHoc Group Against Crime, Daniel has long used the urban music station as a portal to reach a larger audience. It is a relationship that goes back nearly 45 years, to when then-AdHoc president Alvin Brooks used the radio station to tell listeners about the unsolved murders of nine Black women. It’s partly because of the group’s decade-long crime fighting and community outreach efforts that relatives of missing people often go directly to AdHoc for help. But it’s also because some families find working with the police department difficult and frustrating, Daniel said. The Kansas City Police Department’s handling of missing persons cases has long been a source of frustration for families, social activists and neighborhood leaders who say police are often not responsive to their concerns, especially when it comes to...