A lone gunman drove into Kraków's Rynek Główny — one of Europe's largest medieval market squares and a magnet for tourists — at approximately 3pm and opened fire on random pedestrians from his vehicle. Six people were killed (four women, two men) and fifteen wounded, including two police officers, one of whom was shot three times during the subsequent gunfight. The attacker, a Polish citizen dressed in military-style clothing and armed with a long military-type firearm, was shot and wounded by police. Authorities say he acted alone. The timeline of violence was compressed and chaotic. A tram driver reported his vehicle being fired upon from a moving car near the main square; the cabin window was shattered. Police engaged the gunman nearby. By evening, Prime Minister Donald Tusk confirmed he was en route to the city, and government spokesperson Adam Szlapka acknowledged the attack had "shaken all of Poland." Justice Minister Waldemar Żurek pledged full accountability; President Karol Nawrocki expressed his concern and condolences. The attack lands in an uncomfortable context. Earlier this year, Euronews reported that legally owned firearms in Poland surpassed 1 million for the first time. Poland issued a record 50,700 gun permits in 2025 — nearly double the number of active permits registered a decade earlier. This expansion has been driven by a national security narrative following Russia's invasion of Ukraine, with both citizens and officials framing personal armament as a form of civic readiness. The tension is structural: a country deliberately broadening civilian access to firearms on geopolitical grounds now confronts the domestic risks that inevitably accompany that expansion. Poland's gun culture has historically been far more restrictive than the United States', but the rate of change — doubling in a decade — is fast enough to outpace the institutional controls, mental health screening infrastructure, and cultural norms that traditionally gate firearm access. Politically, the attack creates a difficult test for the Tusk government. The security case for expanded gun ownership is popular and cuts across party lines in the post-Ukraine threat environment. Rolling back permits risks appearing weak on national defense. But leaving the trajectory unchecked after a mass casualty event in Poland's most iconic public square invites the question: what screening and storage safeguards accompanied the permit surge? The shooter's use of military-style clothing and a long military-type firearm will intensify scrutiny of the permit and purchase pipeline — specifically whether psychological screening, storage inspection, and training requirements scaled alongside the doubling of permits. If the weapon was legally obtained, the policy failure is systemic. If it was acquired on the black market, the rapid legal expansion still shaped the environment in which supply proliferates. Kraków's Rynek Główny will reopen. Tourism will resume. The harder question is whether Poland's accelerating rearmament can be reconciled with domestic public safety, or whether the country is importing a risk calculus it has not yet priced.