WYPR’s Mary Rose Madden has been examining the Baltimore Police Department’s relationship with the city’s predominantly black population in her special series called On the Watch: Fixing the Fractured Relationship Between Baltimore's Police and Its Communities. The series began in June and will continue over the next several months. Mary Rose travels with beat cops and patrol officers and roams the city’s neighborhoods, talking with the citizens the police are sworn to protect. Mary Rose Madden joins Tom to talk about what she’s learned so far.