Thursday, April 18, 2013 Explosive Proof Boston Marathon Bombing a Staged Terror Attack

Video from radio host Alex Jones. What are guys dressed like Navy Seals doing standing around at the finish line with black backpacks?

From the YouTube description:
Navy SEALs Spotted at Boston Marathon Wearing Suspicious Backpacks? 4Chan posted dozens of photos showing Navy Seal or Private Security personnel carrying the same black back packs which are the same style backpacks showed in FBI photos. It's becoming crystal clear.