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Fact check: Online disinformation rife after Krakow mass shooting
Six people were killed in a shooting spree in Krakow’s Old Town, and the suspected gunman later died in hospital after being shot and detained by police. With key details still unknown and a formal investigation under way, fabricated and AI-manipulated material spread online, fuelling misleading claims about the attacker.
DW’s fact check found a widely shared image of the suspect was identified as AI-generated by Hive Moderation with 99.5% confidence and carried a Google SynthID watermark. A Telegram account said to belong to the attacker had posts and a profile image edited after his arrest, a sign of an attempt to make them appear prescient; another alleged image was assessed as 99.9% likely to be AI-generated. The article also examines a viral claim about weapons and military patches in a car boot.
In short
- Six people were killed in the Krakow shooting.
- AI-generated images falsely claimed to show the suspect.
- An edited Telegram account helped spread misleading claims.
Explained simply
Kraków is a major city in southern Poland, and its Old Town is a busy historic area. A mass shooting is an attack in which a gun is used to kill or injure several people; police investigate what happened and whether anyone else was involved.
Early information about an attacker can be incomplete, while investigators establish the facts. Images and posts shared online may be altered or made using artificial intelligence, so they can give a false impression of who someone was or what they intended.
Fact-checkers examine such material using clues including its source, editing history and digital markings. Their work matters because unverified claims can spread quickly and shape public understanding while an investigation is under way.