According to Andreas Pilsl, Chief of Police for Upper Austria, evidence suggests that the suspect acted alone and that he was been investigated in 2015 after police received anonymous tips, but that at that point "nothing was found that could indicate a radicalization".
Evidence suggests that the suspect acted alone and that he was been investigated in 2015 after police received anonymous tips. This was according to Andreas Pilsl. That at that point "nothing was found that could indicate a radicalization". This was according to Andreas Pilsl. Andreas Pilsl is Chief of Police for Upper Austria.