The anthrax letter sent to Senator Patrick Leahy was real, highly lethal, and not a hoax. [1, 2]
The confusion might come from how the event was uncovered or how it was summarized on television. The real letter addressed to Senator Leahy was found on November 16, 2001, among 250 barrels of unopened, impounded Congressional mail. Because it sat safely sealed in a government storage warehouse for over a month, it did not harm the Senator, but laboratory analysis confirmed it was packed with highly concentrated, weaponized anthrax spores—identical to the letters sent to Senator Tom Daschle and major media outlets. [2, 3]
This terrifying historical event was prominently featured in a detailed investigative breakdown on Unsolved Mysteries (Season 12, Episode 13). [4, 5]
Key Case Facts from the Investigation
- The Target: The letter was postmarked October 9, 2001, from Trenton, New Jersey, and addressed directly to Democratic Senator Patrick Leahy, who was serving as the chairman of the Senate Judiciary Committee. [2, 6]
- The Return Address: The envelope used the exact same creepy, fictitious return address as the letter that had successfully infiltrated Senator Daschle’s office: “4th Grade, Greendale School, Franklin Park, NJ”. [2]
- The Toll: While Leahy’s letter was safely intercepted before being opened, the broader 2001 anthrax mailing campaign infected 22 people and killed 5 innocent victims, including postal distribution workers and media staff. [1, 7]
The Unsolved Controversy
The FBI officially closed the case (code-named “Amerithrax”) in 2010, concluding that government bio-defense scientist Dr. Bruce Ivins acted completely alone in creating and mailing the letters. However, the case remains heavily debated in the true-crime community. Even Senator Patrick Leahy himself publicly challenged the FBI’s absolute conclusion, stating at a Senate hearing that he strongly believed others were involved as accessories in the attack on Congress. [6, 8]
Are you looking for more details regarding the forensic tracing of the anthrax strain, or did you want to dive into other bioterrorism or political mysteries covered on the show?
[6] https://www.grassley.senate.gov