A national, empirical study of defenses found that the defense of entrapment arose in just 0.08% of cases, usually “to little avail.” Stephen G. Valdes, Frequency and Success: An Empirical Study of Criminal Law Defenses, Federal Constitutional Evidentiary Claims, and Plea Negotiations, 153 U. Penn. L. Rev. 1709, 1716 (2005). But every now and again, … Read more