Since 1932, the defense of entrapment has been firmly established in the federal courts; however, the doctrine itself is replete with basic confusion. In recent years, this underlying confusion has prompted the development of disparate rules governing the scope and application of the defense.
Lester B. Orfield,
The Defense of Entrapment in the Federal Courts,
1967 Duke Law Journal
Available at: http://scholarship.law.duke.edu/dlj/vol16/iss1/2