Kurt Vonnegut on Writing Fiction: 16 rules . You choose. The most meaningful aspect of our styles, which is what we choose to write about, is utterly unlimited. (As a writer of suspense, I dispenses with but the rest are Very Good Rules to write by.
The second path to suspense in your story is dramatic irony. (Dramatic irony has always been my FAVORITE way to create suspense. It's more fun to write, and it prevents the reader from feeling tricked.