Duhaime's Law Dictionary

Espionage Definition:

The practice of playing the spy, or of employing spies.

Related Terms: Spy / Spies

In Qu v Canada, Justice Lemieux of the Federal Court of Canada adopted these words:

"[E]spionage means the practice of playing the spy, or of employing spies....

"The act of spying. The occupation of spies ... a secret organization existing in all nations and of which the function is to reveal the secrets of foreign or enemy powers.

"Espionage is a method of information gathering.

"There are basically three major categories of covert sources of intelligence: aerial and space reconnaissance (Military Reconnaissance), electronic eavesdropping and the secret agent."


Qu v Canada, [2000] 4 FC 72

Re Wenberg, 4 IAC 292

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