2001 World Events · Post-Cold War transition and asymmetric shock
Amerithrax anthrax letter attacks
C. in United States. Letters containing anthrax spores were mailed to media and political targets, killing five and infecting others.
Evidence-led reading
What is stated, why it matters, and what remains uncertain
What this is
A specific-event record selected from the protected World Events source ledger for cross-year research. It is not an exhaustive account of 2001.
Why it matters
It transformed mail screening, biodefense, and fear of mass-casualty biological terrorism.
What is established here
The page faithfully exposes the submitted record and its source boundary. No claim-level evidence packet has yet upgraded the record beyond a research starting point.
What remains uncertain
Starting-point source from the submitted dataset; verify exact dates, attribution, legal posture, casualty figures, and current status before reuse.
Record narrative
Source-bounded summary
C. in United States. Letters containing anthrax spores were mailed to media and political targets, killing five and infecting others.
It transformed mail screening, biodefense, and fear of mass-casualty biological terrorism.
Structured fields
Record at a glance
- Stable record ID
- 2001-002
- Date or period
- 2001-09-18 to 2001-10-12
- Type
- Bioterrorism / lone actor
- Focus
- Terrorism / biosecurity
- Impact scope
- National
- Priority
- 5 of 5
- Location label
- Washington, D.C., United States
- Coordinate precision
- City-level coordinate
- Actors named by the source record
- Unknown perpetrator later attributed by FBI to Bruce Ivins; media and U.S. Senate targets
- Verification state
- source-start-point; sensitive details require independent verification
Geographic context
A coordinate locator, not a surveyed event footprint
The submitted record supplies 38.9072, -77.0369 with the precision label “City-level coordinate.” Multi-location events, disputed borders, campaigns, and broad regions cannot be reduced to one point.
Review location and coordinate boundariesSource and verification boundary
This remains a starting-point record
Starting-point source from the submitted dataset; verify exact dates, attribution, legal posture, casualty figures, and current status before reuse.
Citation and correction
Use the stable record ID and challenge individual propositions
A correction may concern the date, place, actors, attribution, legal status, figures, coordinate precision, source characterization, or why-pivotal summary without invalidating every other field.
2IA — International Intelligence Archive. “Amerithrax anthrax letter attacks.” World Events record 2001-002. Reviewed July 27, 2026. https://2ix.org/world-events/2001/2001-002/