Well, plenty of bunk stuff (bite mark analysis, hair analysis, etc...) has been used in the past, but in theory anything used today should be backed up by signi

Well, plenty of bunk stuff (bite mark analysis, hair analysis, etc...) has been used in the past, but in theory anything used today should be backed up by significant evidence and rigorous methodology, and obviously it'll vary based on jurisdiction, but in theory courts should require that background. Certainly, more transparency than "we bought some facial recognition software, no, you can't see the code, that's a trade secret".