Why should you use a passcode instead of your face or thumb to unlock your phone? Because your face and fingerprints can be used against you. They can literally hold your phone up to your face to unlock it, and courts have ruled that your thumbprint can be taken just like any other fingerprint. But here’s the key — they can never make you say or enter your passcode. That’s protected under the Fifth, and it’s your strongest line of defense when it comes to digital privacy. So remember: no face, n