[e_i_pi_2]

Yeah I'm not saying this is what I think it correct - it's just how the law seems like it works. Ultimately you'd have to convince a jury and I don't think most people would believe "I just happened to forget it when the police asked for it". In the US you aren't required to give the police your passcode, but they do have a legal right to use your face/fingerprints without your permission, so they can freely search if there's only a biometric lock but not a passcode. Very weird but that's how the laws were written