Like their German counterparts, Czech investigators are finding that pinpointing the source of smuggled fissile material is more complicated than they first expected. The more the experts discover, the more new, unanswered questions emerge. Since last summer, when German officials claimed that the five grams of smuggled weapons-grade plutoni-um they seized in May 1994 had a "fingerprint" that could be traced to Russia's nuclear weapons, laboratory experts in Germany, in the Czech Republic, and at the International Atomic Energy Agency (IAEA) in Vienna have been poring over bits of highly enriched uranium and plutoni-um that have turned up in central Europe.
展开▼
