My understanding was that the right against self-incrimination was largely meant as a patch, to prevent suspects being tortured into confessing by devaluing the

My understanding was that the right against self-incrimination was largely meant as a patch, to prevent suspects being tortured into confessing by devaluing their confessions. If that's the point, I don't see any reason for a court not to compel a harmless, painless fingerprint swipe.