Certain types of criminal activity are consensual and covert. Hence
they are virtually undetectable without the use of a government
agent or informer.
Lazarus, David M.
"Entrapment: A Review of the Principles of Law Governing This Defense as Applied by the Eleventh Circuit Court of Appeals,"
Nova Law Review: Vol. 7
, Article 6.
Available at: http://nsuworks.nova.edu/nlr/vol7/iss3/6