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I'm not really sure how she views her role as "ombudsman..." it doesn't seem to be functionally different from a role as advocate for her employer.
What I found particularly egregious was the defense she kept raising that the media should describe the techniques and let people make up their minds. Calling torture "enhanced interrogation techniques" though, does the exact opposite. It's not an especially complicated point.
Regardless of your view on the issue, it's hard to make the case that Shepard's particularly well-suited well-suited for this role.