Lars-Inge Andersson (5 May 1945 – 15 April 2016) best known as Lars-Inge Svartenbrandt, later Lars Ferm and even later known as Lars Patrick Carlander, was a Swedish criminal. Svartenbrandt spent almost 40 years combined in prison for several robberies, violent crimes, and prison escapes. He was described as the "most dangerous man in Sweden". Svartenbrandt described himself as an "uncurable psychopath". Early life. Lars-Inge Svartenbrandt grew up under unstable conditions in Dalarna.
https://en.wikipedia.org/wiki/Lars-Inge_Svartenbrandt