Krakow attacker studied Breivik, US mass murderers before killing six

A Polish official disclosed that the Krakow attacker, who killed six on the main square, had researched Anders Breivik and US mass murderers, indicating premeditation and ideological inspiration. The attack is confirmed, but the attacker's motive and any broader network remain unclear. This signals a potential lone-actor terrorism pattern in Europe, raising security concerns.

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