Mr. Phil Lightfoot at the Public Safety and National Security Committee

On March 20th, 2018. See this statement in context.

March 20th, 2018 / 12:05 p.m.

Acting Director General, Science and Engineering Directorate, Information, Science and Technology Branch, Canada Border Services Agency

Phil Lightfoot

Let's talk about false positives and nuisance alarms.

A false positive is where you swab something and there's no drug there, there's no heroin there, but you do detect heroin. That is because there's an interference—

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