The Agency (Published 2015)Listen to This Article.Adrian Chen set about reporting on a “troll farm” in Russia – then became a victim of Russian misinformation himself. Around 8:30 a.m. on Sept. 11 last year, Duval Arthur, director of the Office of Homeland Security and Emergency Preparedness for St. Mary Parish, Louisiana, got a call from a resident who had just received a disturbing text message. “Toxic fume hazard warning
