Electronic Eavesdropping- Verbal evidence of gambling activities obtained without a warrant by means of an electronic listening device held inadmissable [sic].
Katz v. United States, 88 S. Ct. 507 (1968).
Jay P. Kahle,
Constitutional Law - Fourth Amendment - Electronic Eavesdropping,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol6/iss3/7