Which details support the author’s central idea that the key to building suspense is making readers care about characters they slowly learn more about? Check all that apply. Authors must make sure the reader is interested in characters when bad things happen. Authors should slowly reveal information about a mysterious character. Flannery O’Connor was great at talking about writing. Crime in a plot is a good tool for showing the human condition. To Kill a Mockingbird includes a tense courtroom scene.