Before consummating the arms deal, buyers for a South Asian rebel group needed an expert. So they turned to Thirunavukarasu Varatharasa, a citizen of Sri Lanka and a member of the Tamil Tigers, which is designated as a terrorist organization by the U.S. government. Prosecutors say he knew how to inspect the fully automatic weapons and surface-to-air missiles to determine whether they had flaws. Varatharasa was arrested in Guam after inspecting the military hardware... (GunPolicy.org)