Canada vets its airport workers. Anyone seeking access to restricted areas must obtain a Transportation Security Clearance and a Restricted Area Identity Card, but a clearance is a snapshot taken at the time of hiring. A person’s circumstances, associations and loyalties can change long after the background check is complete. A W5 investigation published in May 2026 reported that between 2021 and 2026, more than 7,500 airport workers at Canada’s four largest airports were flagged for security concerns and still received clearance, including an individual later charged in the largest gold heist in the country’s history. A flag is not proof of wrongdoing, but a clearance cannot be the end of the question. A good system has to keep checking after the first approval.
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