War On Terror: Could it be happening again? Could a Saudi terror cell be behind another major U.S. attack? And could the Saudi government be trying to sink the investigation? ..."The level of coincidence required for the Saudi kid Ali Alharbi to be at the Boston Marathon at the time of the bombing and near the finish line where the bombs went off is staggering," a DHS official told IBD.Why was he there? Was he cheering on someone running in the race? We don't know, and if he's allowed to leave the country, we may never know.