Last week, a jury of 13 military officers found Army Major Nidal Malik Hasan guilty of 13 counts of murder and 32 counts of attempted murder for his shooting rampage at the Soldier Readiness Processing Center at Fort Hood in November 2009. The conviction followed a trial in which Hasan, acting as his own legal representative, offered little by way of defense and stated early in the trial that evidence would show that, “I am the shooter.” Hasan’s conviction notwithstanding, the public, U.S. law enforcement agencies, and the broader counterterrorism community must not allow this small legal victory to cloud...