we hadnt had enough time to get cameras into each individual location and were unsure if every one of the three identical locations had coffee at the same time as the first location in the end , the possible risk of casualties ( if someone drove shortly after imbibing the liquid ) was only a few percentage points less than the possible benefits of drugging everyone in the building ; since we had time , and the math was sound , travis objective was more a hopeful backup , a preemptive strike to render those unconscious in each building before the groups entered . )