CSIS has , at times , come under criticism , such as for its role in the investigation of the 1985 Air India bombing . The Commission of Inquiry into the Investigation of the Bombing of Air India Flight 182 , headed by Justice John Major , is underway . Two Canadian courts have publicly criticized CSIS for destroying wiretap evidence . One court impressed upon the importance of wiretap evidence from CSIS in establishing guilt . The second focused on its exculpatory value
Air India bombing
Air India Flight 182
Canadian Security Intelligence Service