Avsnitt 2

After four years of research, the release of official conclusions left many unsatisfied. Both buildings were designed to survive the impact of a commercial airliner and the fireproofed steel structures should have survived the fires that followed - yet within two hours both towers had collapsed . In addition, video footage of molten metal pouring from the damaged floors and eyewitness reports of explosions before the collapse were not addressed fully, fuelling conspiracies of a government plot to destroy the towers and drag America into a war on terror. Retired chemist...