Dream Boldly, Live Fully (EP4)
Résumé de l'épisode 4
Agent Moore tracks down the mailbox used to send the Anthrax letters as Ryker and Dani look to the postal inspector for help to locate where the killer purchased the envelopes. Meanwhile, the FBI learns more about Bruce Ivins’ past tendencies after an old colleague raises red flags in the microbiology community halfway across the country.