I did watch a young woman with a baby go in ahead of me. They scanned her, and they scanned articles belonging to the baby.
I don't have enough data or evidence to suggest that any sort of discriminatory use would be made on the basis of ethnicity.
The thing that is discriminatory in terms of when a visitor to an inmate is going in is that the staff is often aware of the offence that the inmate has committed, and if the inmate is incarcerated for a drug-related offence, my understanding—and what I've gathered from the people I've spoken to—is that the suspicion is higher, and those family members are more likely to be subjected to different treatment if the ion scan alarms.