an act or instance of tapping (i.e. to listen to, to eavesdrop, to monitor) telephone or telegraph wires for evidence or other information.

Link to present incidents:
Four men have been charged with conspiring to blow up jet fuel supply tanks and pipelines at John F. Kennedy International Airport. A wiretap transcript given to CNN by the FBI indicates the plotters targeted the airport because of the popularity of its namesake, John F. Kennedy, who was assassinated in 1963.