One Year Later: Former Dallas Police Chief Reflects on Service and Risk Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Dallas Police Chief David Brown speaks at a memorial for fallen officers on July 12, 2016, as President Barack Obama watches. ( Associated Press / AP Images ) Produced by Francesca Paris and Ellen Frankman Hosted by Todd Zwillich Produced by PRI and WNYC