Jeffrey Delisle
Jeffrey Delisle is a former member of the Canadian Forces who gained notoriety in 2012 when he was charged with leaking sensitive military secrets to a foreign entity, an act that was initially discovered through a tip from the U.S. Federal Bureau of Investigation. He later pled guilty to the charges and was sentenced to prison for his actions, marking a significant case in the history of military intelligence breaches in Canada.
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Recent news mentions
Jeffrey Delisle was a former naval intelligence officer charged in 2012 with passing secrets to Russia and sentenced to 20 years in prison.
CAF member allegedly leaked the identity of a soldier involved in covert intelligence
Canada· 2025-12-17
Mr. Delisle was charged in 2012 with passing secrets to Russia and sentenced to 20 years in prison.
Canadian military intelligence officer allegedly shared classified information with UkraineCanada· 2025-12-16
Jeffrey Delisle was another Canadian Forces intelligence staffer charged with communicating secrets to a foreign entity in 2012.
Canadian Forces member accused of espionage was in long dispute with military over disciplinary actionCanada· 2025-12-15
Jeffrey Delisle was charged in 2012 with communicating secrets to a foreign entity.
CAF member charged with leaking secrets an intelligence operator who advised military leadershipCanada· 2025-12-12