Testing Explosive Devices (raw footage)
Videos found by Polish police when they arrested 45-year-old Brunon Kwiecien in Krakow, Poland on Nov. 9. Kwiecien is accused of plotting to attack the country's lower house of parliament. He is a chemistry professor who has shown an interest in constructing homemade explosives since he was a teenager. This video is a sample of recordings of explosives tests police confiscated from Kwiecien.