Creating suspense can be a challenging thing.
Here’s a link of Alfred Hitchcock describing his take on mystery versus suspense at an AFI Seminar in 1970. (YouTube won’t let me embed it).
Here’s an example of how a cat works the suspense angle. Basically, there’s a slow build up and then the BAM! ending. All important elements of suspense.
Can’t you just feel the suspense here? Oh, what’s gonna happen????
How do you create suspense in your writing?