The mass shooting in San Bernardino by the young Muslim couple Syed Rizwan Farook and Tashfeen Malik, now clearly identified as middle-class ISIS terrorists, has created a vast sense of unease in the United States. Everyone agrees that their heinous conduct was horribly wrong. But the consensus ends there. Come to the next question, and there is hopeless disarray on the appropriate collective and individual responses to the looming threat of terrorist acts. It is best to tackle the widespread and diffuse threat of the use of deadly force head-on.