The terrorist in Krakow could be a follower of the one who killed students in the United States in 2014, the Onet portal reported.
According to the portal's sources, the modus operandi of Oksinski and Roger has some similarities. In addition, search queries about the terrorists Anders Breivik, Charles Manson and Theodore Kaczynski were found on the computer of the 24-year-old Pole.