"No counterterrorism effort can be perfect, and given the jihadists’ grim determination to attack, we cannot guarantee they will never succeed again. Any one of these red flags might not have been, in and of itself, enough to stop Rahami. But the evidence in his case demonstrates there were multiple dots to be connected. There are some basic common-sense measures we could be taking to protect the American people if our government were willing to admit there is a common pattern of behavior. Our law enforcement agencies could catch more terrorists before they strike if we would only take off the blinders and let them."
https://www.conservativereview.com/commentary/2016/09/ahmad-khan-rahamis-alarming-red-flags#sthash.iYgpf9LX.dpuf
https://www.conservativereview.com/commentary/2016/09/ahmad-khan-rahamis-alarming-red-flags#sthash.iYgpf9LX.dpuf