Sean Kilpatrick/THE CANADIAN PRESS, Adrian Wyld/THE CANADIAN PRESS

UPDATED March 6, 2019 5:25pmET

LATEST NEWS: SNC-Lavalin, Jody Wilson-Raybould, Jane Philpott, and the PMO

The next chapter in the political scandal involving the Trudeau government and engineering firm SNC-Lavalin unfolded Wednesday with Gerald Butts (former principal secretary to the prime minister) appearing at the Commons justice committee, followed by a second appearance by Michael Wernick (Clerk of the Privy Council) and Nathalie Drouin (deputy justice minister).

WATCH CPAC COVERAGE – AND FOLLOW BELOW FOR KEY HIGHLIGHTS