'That's The Right Way To Go': Walsh Praises Janey's Actions, Expresses Regret Over Police Commissioner Case Former Boston Mayor Marty Walsh makes his first appearance back in Boston since becoming U.S. Labor Secretary and answers questions about his controversial appointment of former Boston Police Commissioner Dennis White, who has since been dismissed amid allegations of domestic assault. Marilyn Schairer / GBH News Former Boston Mayor Marty Walsh visited the city on Monday for the first time since becoming the U.S. Secretary of Labor, and admitted, when asked by reporters, that he feels badly about his controversial appointment of Dennis White as Boston Police Commissioner.