Whether it's a tool in the global war on terror or a neighborhood's fight against drugs, the use of interrogation is a contentious practice. A range of people who have conducted interrogations talk about what works, what doesn't and what should change.
Mike Ritz, former Army interrogator; senior interrogation instructor at Team Delta, an independent organization of former military personnel that conducts training workshops
Neil Nelson, commander for the St. Paul Police and interrogations consultant
Michael Hirsh, senior editor for Newsweek magazine