About this episode
After the attacks on September 11th, 2001, five people died from Anthrax poisoning after exposure through mailed letters. The FBI spent years trying to determine if they were random events or if it was bioterrorism. Finally, in 2010, they had an answer. But by 2011, their conclusion was already in doubt. Learn more about your ad choices. Visit podcastchoices.com/adchoices
