Mr. Big (police procedure)

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Mr. Big (sometimes known as the Canadian technique) is a covert investigation procedure used by undercover police to elicit confessions from suspects in cold cases (usually murder). Police officers create a fictitious grey area or criminal organization and then seduce the suspect into joining it. They build a relationship with the suspect, gain their confidence, and then enlist their help in a succession of criminal acts (e.g., delivering goods, credit card scams, selling guns) for which they are paid. Once the suspect has become enmeshed in the criminal gang, they are persuaded to divulge information about their criminal history, usually as a prerequisite for being accepted as a member of the organization. The Mr. Big technique was developed by the Royal Canadian Mounted Police (RCMP), with the first documented case taking place in British Columbia in March of 1965, during the investigation of David Louis Harrison, a former Vancouver police constable who was tried and convicted for taking...

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