Jim Bueermann

Charles Krupa / AP

President Donald Trump has called for a return to “law and order” policing and shown support for stop and frisk and heavy use of force. Many modern police leaders aren’t buying in.

This week on 90.5 WESA’s Criminal Injustice podcast, University of Pittsburgh law professor and host David Harris looks at one non-member, nonpartisan organization that conducts field studies with real cops to find more nuanced data-driven ways to reduce crime.