Why "scary"? Why is this "unrelated" if it's a police work database? It's a known statistic that many are both repeat offenders and opportunistic, why should markers --like fingerprints-- be actively expunged?
Why the scare mongering?
Why the scare mongering?
At this point why not just at least be upfront with it and collect everyone's fingerprint when they turn 18? It would make more sense IMO.