Two gunmen murdered 15 people and wounded another 40 churchgoers after they walked up and shot two police officers who were guarding the church. The gunmen used at least one hand grenade and the rifles they had taken from the dead police officers after they murdered them. When people in the church tried to evacuate the building, they were apparently shot by two additional gunmen. This deadly attack in Nairobi, Kenya illustrates just how quickly a deadly attack can occur even when heavy security measures are in place. In spite of two police officers armed with rifles, two aggressors were able to carry out a successful attack by using the very weapons intended to protect churchgoers from terrorist attack.