He first came to public attention in 2007, when he was arrested and imprisoned for several weeks on terrorism charges; in 2010 the investigation of him was ended due to lack of evidence.
[5] In September 2006, Holm was charged with membership in a terrorist organisation, a violation of § 129a of the German Criminal Code, by the Public Prosecutor General.
On July 31, 2007, Holm's home and office were searched, after a man he had met with was implicated in a plot to firebomb tanks at a German military base.
[1] As a result of the Stasi revelations, the governing mayor of Berlin Michael Müller (SPD) asked senator Lompscher to dismiss Holm, which she subsequently did.
"[8] As a result of this statement the university reduced its disciplinary action to a final warning, while Holm will remain on leave until the end of 2018.
[4] In an interview with Die Zeit, Holm also acknowledged that Stasi was a criminal organization and a part of a "system of injustice.