He has devoted 20 years to the Sweden Democrats and has been called the party's chief ideologist. Filmmaker Kalle Segerbäck follows the controversial and combative politician Mattias Karlsson for just over a year - until the 2018 election.
The aftermath of Kalla fakta’s exposé on the Sweden Democrats’ troll accounts was dramatic. Hear the reporters discuss the period that followed, along with an analysis from a political scientist.
