An investigation into Canada's tax refund system has uncovered major gaps in fraud detection after the Canada Revenue Agency issued more than $40 million in questionable refunds linked to a debunked conspiracy theory.

Jonathon Pearce, who lives in Temiskaming Shores in northern Ontario, submitted false tax returns in the summer of 2023 claiming refunds for several previous years. Internal records obtained by CBC's The Fifth Estate show the agency began depositing money into his bank account just weeks after the claims were filed, including a $10-million payment on August 8. Pearce said he expected the agency to reject the claims and acknowledged the process appeared to offer an easy way to generate money.

The investigation found Pearce was part of the so-called sovereign citizen movement, whose followers promote unfounded legal theories, including claims that Canada is not a legitimate country and that citizens can access secret government trust funds worth millions of dollars.

Records also showed Pearce contacted the CRA's call centre about 10 days before the payments began and discussed both the proposed scheme and his beliefs with the agency, according to an investigator who reviewed the call, yet the transfers proceeded. Leaked records indicated nearly $300 million in fraudulent claims connected to the same scheme were identified between May 2023 and January 2024, though the total actually paid out remains unclear.