Watch this video: <object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/5sSnxge6BGA?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/5sSnxge6BGA?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="390"></object> Read this artcle: 'A weapon of mass destruction was found in the U.S.': Shock confession of Customs officer | Mail Online (video is from the article) *Excerpt from artcle* So, specifically, you're looking for the dirty bomb? You're looking for the nuclear device?’ asked Mr Blacher.‘Correct. Weapons of mass effect,’ said Mr Hallor. ‘You ever found one?’ asked Mr Blacher. ‘Not at this location,’ Mr Hallor said. ‘But they have found them?’ asked Mr Blacher. ‘Yes,’ said Mr Hallor. ‘You never found one in San Diego though?’ Mr Blacher asked. ‘I would say at the port of San Diego we have not,’ Mr Hallor said. ‘Have you found one in San Diego?’ Mr Blacher asked. The interview was then interrupted and cut short by a public relations official before Mr Hallor was able to answer the question. San Diego's Customs and Border Protection agency was unavailable for comment today. Earlier, Mr Hallor told Mr Blacher: ‘Potentially every city in America is a target. Given the waterways and the access to the Navy fleet here, I’d say, absolutely, San Diego is a target. * end excerpt * So, I would say that yes, some items probably have been found. More than likely those that sent the items either knew or thought they would be and were just "testing the system". With our "wide open" southern border who knows what's come across there.