"I am a good guy making educational, informative, and entertaining videos," Alberto R. H. said in a video response. The Spanish Civil Guard arrested 28-year-old YouTuber Alberto R. H., known online as 'HRom' or 'albertohrom,' in the city of Castro Urdiales, Cantabria. HRom's YouTube channel featured over 60 tutorial videos detailing the manufacturing process of explosive and incendiary compounds. According to 20 Minutos, his clandestine workshop was located on a family-owned estate near a residential area, an industrial park, and a forested area. One of the most concerning videos showed the YouTuber manufacturing over 30 kilos of thermite, a pyrotechnic compound with a high incendiary capacity that can reach temperatures exceeding 2,500 degrees Celsius, capable of melting any type of metal. Milenio reported that more than 20 kilos of chemical substances were seized, including 10 kilos of homemade explosives."