At the beginning of "the black cat," the narrator doesn't explain what he did to deserve death as a consequence of his actions. what effect does this withholding of information create?

This technique used by the author might create a sense of suspense and wonder what would make the reader to keep on reading. It might be also used for the reader not to judge the character so fast because a lack of information. The narrator is even presenting himself as unreliable and he even plays with his sanity.