Appeal-Judicial Review - Fairness - Investigations. Drew v. Canada (Attorney General)
In Drew v. Canada (Attorney General) (Fed CA, 2022) the Federal Court of Appeal considered the fairness duty in investigations:
 With respect to procedural fairness, the Federal Court concluded that the Commission’s investigation was sufficiently thorough. In this connection, the Federal Court noted that court intervention is warranted only in the presence of fundamental investigative flaws that cannot be remedied by responding submissions (Eadie v MTS Inc., 2015 FCA 173 at para. 79; Sketchley v Canada (Attorney General), 2005 FCA 404 at paras. 120-121). The Federal Court found no such flaws in the case before it. It also found that in light of the evidence she had obtained, the Investigator had not committed an error by not interviewing a witness that the appellant argued should have been interviewed. Accordingly, the Federal Court concluded that the appellant had been afforded procedural fairness.. Canada (Attorney General) v. Ennis
In Canada (Attorney General) v. Ennis (Fed CA, 2021) the Federal Court of Appeal considered fairness and an investigator's report:
 In the context of proceedings before the Commission, this Court has described procedural fairness requirements in Canada (Attorney General) v. Davis, 2010 FCA 134, 403 N.R. 355 at para. 6 as follows:. Rosianu v. Western Logistics Inc.
The Commission must act in accordance with natural justice. This requires that the investigation report upon which the Commission relies be neutral and thorough and that the parties be given an opportunity to respond to it: Sketchley v. Canada (Attorney General), 2005 FCA 404 (CanLII),  3 F.C.R. 392 (F.C.A.) applying Baker v. Canada (Minister of Citizenship and Immigration), 1999 CanLII 699 (SCC),  2 S.C.R. 817. Similarly, the Federal Court has noted in Deschênes v. Canada (Attorney General), 2009 FC 1126, 2010 C.L.L.C. 230-034 at para. 10:
[...] Procedural fairness dictates that the parties be informed of the substance of the evidence obtained by the investigator which will be put before the Commission and that the parties be provided the opportunity to respond to this evidence and make all relevant representations in relation thereto: SEPQA, above; Lusina v. Bell Canada, 2005 FC 134, at paragraphs 30 and 31 (Lusina). These requirements were met in the instant case. Moreover, the parties were specifically put on notice, in the warning contained in the introduction to the assessor’s report, that it was not binding. Mr. Ennis was therefore on notice that it was the Commission that would rule on whether his complaint ought to be referred to the Tribunal, and he was afforded the opportunity to make submissions to the Commission. In addition, it is clear from the Commission’s reasons that it duly considered the submissions of all parties who made them.
 Thus, there was no denial of procedural fairness.
In Rosianu v. Western Logistics Inc. (Fed CA, 2021) the Federal Court of Appeal considered the procedural fairness duty limits for administrative investigations:
 I begin by reiterating the applicable legal principles. First, it is well-settled law that the investigative process is not akin to a hearing and that parties are thus not entitled as of right to insist that a CHRC Investigator will interview every witness that they put forward. An investigation will not be found to be lacking in thoroughness and result in a breach of procedural fairness merely because the Investigator did not interview all of the witnesses proposed by a party (Slattery v. Canada (Human Rights Commission), 1994 CanLII 3463 (FC),  2 FC 574 at para. 70, 73 F.T.R. 161). To conclude that there was a breach of procedural fairness, we have to be persuaded that the Investigator failed to interview “obvious players” that had important information in support of his complaint (Wong v. Canada (Public Works and Government Services), 2018 FCA 101 at para. 14, 293 A.C.W.S. (3d) 129 [Wong]).