The operating manual
The Truth Bomb is a device which, when activated it temporarily forces those in the bomb's radius to be unable to withhold any secret. Not even the Middleman is immune to its effects; however, he revealed that one could avoid giving complete answers to hide some things, like the Middleman's real name. When asked, he said his name was "the same as my father's", meaning the subject must answer the question truthfully, but not necessarily to the original point. ("The Boyband Superfan Interrogation")