It seems easy enough, thought Mac. Acquire the Honduran Emerald and flee to safety. He stepped a few paces away from the wall, from which he hid against, and pulled out his grapple hook. He spun it quickly and released it toward the roof. It hooked succesfully to the roof's coping.
Mac made his way up the wall, walking as if it were the floor, when a guard turned the corner. He let his feet fall, but held onto the rope and laid flat against the wall. The guard's flashlight danced back and forth, illuminating surrounding topiaries.
To Be Continued...