أدب الجريمة
He is a son of police chief Leif A. Lier. Documentaric and semi-documentaric books include "En reisende i drap" (2002), "Illusjonen som brast" (2006) and "Rikets tilstand" (2007). Crime fiction releases include "Catch" (2004), "Mafiya" (2005), "Bizniz" (2006) and "Øye for øye" (2008).