- Hvems er barnet? (Whose is the child?) (1998)
- Falske profeti - en dokumentarroman om de unge i Scientologikirken (False prophets: A documentary novel about young people in the Church of Scientology (2003, updated 2010)
- Det nye Jerusalem (The new Jerusalem) (2004, updated 2007)
- Skatteøen i Vesterhavet (The treasure island in the North Sea) (2006)
- Danmarks hemmeligheder (The secrets of Denmark) (2010)
- Det sorte kapel - Brorskabet bag magten (The Black Chapel: The brotherhood behind the power) (2015)
- Det dobbelte spil - En insiderfortælling om politik og magt (The double game: An insider story of politics and power) (2020)
Documentaries:
- Scientologerne - En verden bag masken (The Scientologists: A world behind the mask) (2001, updated 2007 and 2010)
- Den hemmelige sekt - en dokumentar om Faderhuset (The secret sect: A documentary on Faderhuset) (2008)
- Danmarks hemmeligheder - en dokumentarserie om magtens netværk (The secrets of Denmark: A documentary series about the network of power) (2011)
- Det sorte kapel - Brorskabet bag magten (The Black Chapel: The brotherhood behind the power) (2016, updated 2019)
- Det dobbelte spil - magtens sande ansigt (The double game: the real face of power) (2021)
Other works:
- Columnist and contributor to numerous newspapers and magazines
- Frequent guest commentator on television and radio programs
- Public speaker and lecturer on the topics of conspiracy theories, religious extremism, and investigative journalism