I en [[FBI]]-undersøgelse om magtmisbrug af ''Robert Cobb'' som ''NASA Inspector General'' har Griffens rolle givet anledning til spørgsmål <ref>[http://science.house.gov/press/PRArticle.aspx?NewsID=1844 Subcommittee Investigates Destruction of Video Records by Senior NASA Officials During IG Probe] {{Webarchive|url=https://web.archive.org/web/20090325114829/http://science.house.gov/press/PRArticle.aspx?NewsID=1844 |date=25. marts 2009 }} Committee on Science and Technology</ref>
<ref>{{Cite web |url=http://democrats.science.house.gov/Media/File/AdminLetters/miller_to_griffin_video_4.25.07.pdf |title=Subcommittee Questions Destruction of Videos |access-date=29. marts 2009 |archive-date=25. marts 2009 |archive-url=https://web.archive.org/web/20090325143800/http://democrats.science.house.gov/Media/File/AdminLetters/miller_to_griffin_video_4.25.07.pdf |url-status=dead }}</ref>
<ref>[http://science.house.gov/investigations/investigations_detail.aspx?NewsID=1913 Oversight of the NASA Inspector General] {{Webarchive|url=https://web.archive.org/web/20090325095633/http://science.house.gov/investigations/investigations_detail.aspx?NewsID=1913 |date=25. marts 2009 }} Committee on Science and Technology</ref> <ref>[http://www.washingtonpost.com/wp-dyn/content/article/2006/02/02/AR2006020202721.html NASA's Inspector General Probed] Washington Post</ref>.
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