US Congressman: Chechen Extremist Behind Istanbul Attack
The explosives used were a mix of RDX, TNT and PETN that were military-grade "manufactured."
This article is available to read at the Associated Press Archive Link here: http://www.apexchange.com/pages/OneUp.aspx?id=61e5a700d1d34ca3859521ae84f1fa61&links=&fid=c8565315e9b0443ca0d75246b9b87135&Token=&media=Text&slug=AP-EU-Turkey-Airport-Blasts&format=nitf&site=1
