I don't have any documentation that would speak to racial or ethnic profiling by the ion scanner, but I can say that it is used differentially for visitors who are coming in as personal visitors of inmates versus professional visitors. I have spent time in the visiting rooms of several prisons as a volunteer for the Canadian Families and Corrections Network. As a volunteer, I have never been scanned by the ion scanner.
On November 2nd, 2017. See this statement in context.