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Angela Haslett, a forensic interviewer, at SafeSpot, a children's advocacy center in Fairfax, Va., on Monday. (Jahi Chikwendiu/The Washington Post)

Angela Haslett used to spend her days asking children about the people who hurt them.

The calls came from police or child protective services, sometimes 10 to 15 a week, most of them about sexual abuse. The children would sit across from her in a soundproof room at SafeSpot Children’s Advocacy Center in Fairfax, Va., as the forensic interviewer asked in a soft voice: “Has somebody done something to your body that they shouldn’t have?”