How can we tell if an Al Qaeda cell has been broken? That enough members have been captured or killed so that there is a high likelihood they will be unable to carry out a new attack, and military resources can be redirected away from them and toward more immediate threats? This article uses order theory to quantify the degree to which a terrorist network is still able to function. This tool will help law enforcement know when a battle against Al Qaeda has been won, thus saving the public's money without unduly risking the public's safety.