LAGOS, Nigeria -- A global crackdown on human traffickers and migrant smugglers coordinated by Interpol led to the arrest of more than 3,700 suspects and aided over 4,400 potential trafficking victims around the world, the law enforcement organization said Monday. Interpol said 14,000 officers carried out Operation Liberterra III between Nov. 10 and Nov. 21. The operation across 119 countries resulted in 3,744 arrests, the protection of 4,414 potential victims and the detection of 12,992 people caught in illegal migration schemes. Authorities opened at least 720 new investigations, according to the agency headquartered in France that helps police in 196...