our destination, sabratha. it's home to an ancient amphitheater that more recently was the backdrop of a city overrun by terror. is took control in 2015, and asserted its authority by beheading 12 members of e security forces, and setting up its own checkpoints. today, the tables are turned. libyan police loyal to the gokrnment in tripoli now ch for isis militants. one of them tells me the city is safe, but checkpoints are common targets for terrorist attacks, ed any one of these vehicles could be packed wilosives. police are also looking for stolen fuel. isis is known to smuggle it from libya's vast reserves and use the profits to funirt attacks. akes is spot on the map m particularly attractive to terrorists. parts of the sprawling country, three times the size of france, are ungoverned. and the country has largely uncontrolled borders, offering several gateways for action. we head for the beach, where just a few hundred miles of open sea separate libya from europe. we're met by a coast guard commander named