The discussion of the role of truth serum in the American judicial system is a worthy one.
As judge has approved the use of truth serum if the alleged Batman shooter attempts an insanity defense.
What, then, was the truth that the truth serum was seeking to impel?
truth serum n.
Any of various hypnotic or anesthetic drugs, such as scopolamine or thiopental sodium, used to induce a subject under questioning to talk without inhibition.