The Justice Department has indicted over 100 alleged smugglers working for Iran in the past three years, but many remain out of reach. According to David Albright [2], president of the Ploughshares-funded Institute for Science and International Security [3], Dubai is cracking down on smugglers who use the country as an "intermediate point" to send technology to Iran. Watch Albright’s interview here.
Links
[1] https://ploughshares.org/file/1589
[2] http://www.ploughshares.org/expert/102
[3] http://www.isis-online.org
[4] http://www.cbsnews.com
[5] http://www.cbsnews.com/stories/2010/02/11/60minutes/main6198599_page3.shtml?tag=contentMain%3BcontentBody