From Cadet To Commissioner: William Gross Retires After 37 Years With Boston PoliceAnnouncing his retirement this week has been emotional for Boston Police Commissioner William Gross. WBZ-TV's David Wade reports.
Boston Police Commissioner Retiring After Making Promise To FamilyBoston Police Commissioner William Gross said he told his family he'd retire when Mayor Marty Walsh leaves.
Boston Police Commissioner William Gross RetiringBoston Police Commissioner William Gross will retire Friday, Mayor Marty Walsh announced Thursday. WBZ-TV's Beth Germano reports.