Biometrics are an excellent technology for tracking convicts because they can't be changed. Edit: Downvotes? Prisons and corrections would love this thing for

Biometrics are an excellent technology for tracking convicts because they can't be changed. Edit: Downvotes? Prisons and corrections would love this thing for checking convicts identities. They already use fingerprints and mugshots which are cruder biometrics. This is just taking it to the next level.