 On March 18, 2019 Wernick announced his retirement in a letter to the Prime Minister.On March 29, a secretly recorded telephone call between Wernick and Wilson-Raybould was released wherein Wernick told Wilson-Raybould that Prime Minister Trudeau wanted a deferred prosecution agreement for SNC-Lavalin "one way or another".. Wernick retired on April 19, 2019 and was succeeded by Ian Shugart, Deputy Minister of Global Affairs Canada, who became the 24th Clerk of the Privy Council.On March 10, 2020 the Ethics and Conflict of Interest Commissioner, Mario Dion, released his report on an allegation of conflict of interest against Wernick that had been referred to his office by the Public Sector integrity Commissioner.