Boston Police Superintendent-in-Chief Badge

BOSTON, MA - JULY 8: Boston Police Superintendent-in-Chief William Gross' badge is pictured before a weekly peace walk with Twelfth Baptist Church members in Roxbury. Mayor Marty Walsh and state attorney general Maura Healey appeared at this week's walk in response to the deaths of Alton Sterling in Louisiana, Philando Castile in Minnesota, and five police officers in Dallas. (Photo by Timothy Tai for The Boston Globe via Getty Images)