Ramba uchiverenga ndima iyi - United States Federal Bureau of Investigation (FBI) yakati Bruce Ivins, musayendisiti wehurumende anoona nezvezvombo zvebiological, ndiye chete aiva nemhosva yezviitiko zvehugandanga hwoutachiona muUSA muna 2001
iyo yakauya nokukurumidza pashure pokurwiswa kwaSeptember 11, 2001. Ivins akazviuraya musi waJuly 29, 2008.