One week after the 9/11 terrorist attacks, someone began mailing envelopes containing a deadly form of anthrax, reigniting a national panic. The FBI spared no expense on the years-long investigation before naming a suspect and closing the case…but not everyone believes they got the right guy.Conspiracy Theories is now on Instagram @theconspiracypod and TikTok @conspiracy.pod! Follow us to keep up with the show and get behind-the-scenes updates from Carter and the team. Learn more about your ad choices. Visit podcastchoices.com/adchoices