Suspense is one of the most attractive aspects of any work of fiction, regardless of whether it's literary or cinematic. There are all kinds of dramatic devices which can be employed to entertain and enthrall an audience but suspense must surely be the strongest. It doesn't always come off, lots of movies have fallen flat on their faces while attempting it, but the slow escalation of tension, the encouragement of anxiety which feeds off itself and grows incrementally, is one of the more potent techniques available to the filmmaker. If suspense is to be effective ...