Let's look at building suspense. You tease your audience, you pull them along letting them know something is going to happen, you put your protagonist(s) in harms way...will they get caught in the action?...will they survive?...the anticipation...the tension...then finally the moment arrives...
Sure, hundreds, if not thousands, of people know how to build suspense...but it takes a real master to do it in a new and bold way...and in one take...
From 1958, the classic opening scene to TOUCH OF EVIL by master director Orson Welles:
More on TOUCH OF EVIL here