Dean Del Mastro

US political strategy firm used widely by Tory MPs, but not always cited in Elections Canada reports

A US firm with strong Republican ties played down questions after its staff campaigned directly in the 2011 elections. But four of its clients didn't report the expense, and three still remain secret.

Robocalls "outrageous", Elections Canada chief Marc Mayrand tells committee

Robo-call scandal: The Vancouver Observer reports live from the committee, where chief electoral officer Marc Mayrand talked about voter fraud and democratic integrity.

Del Mastro attacks Trudeau's Catholicism

Religion and a Facebook comment heat things up on Parliament Hill.