The assailant then circled the podium waving a black knife and screamed that he had been thrown in jail under Civic Platform, the political party to which the liberal mayor once belonged.
“That’s why I killed Adamowicz,” the man shouted.
The article goes on to discuss how hostile the political divide currently is. It has no 'why' information beyond "mentally disturbed man with a history of violence and no clear political motive".
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This was upsetting to me even though I have no connection other than 'human'. Anyone have a better understanding of the Polish politics currently? Was this an outlier or inevitable?