The Latest on Malaysia’s investigation into the apparent assassination of the half brother of North Korean leader Kim Jong Un : Malaysian police have completed a sweep of the airport terminal where the exiled half-brother of North Korea’s leader was attacked and say they found no trace of the nerve agent that was suspected to have been used to kill him. Senior police official Abdul Samah Mat, who is leading the investigation, declared the budget terminal at Kuala Lumpur’s airport a “safe zone” after the sweep detected no hazardous material.