If they have access to a live finger for the TouchID, sure they can bypass - but they could do that with the $5 guaranteed coercion method as well [1].<p>Copying a good fingerprint from a dead finger or a randomly placed print is not easy [2].  It&#x27;s hard, doable but you get 5 tries so if you screw up, you have thrown away all the hard work of the print transfer.<p>All bets are off if the iPhone is power-cycled.  Best bet if you&#x27;re pulled over by authorities or at a security checkpoint is to turn off your iPhone (and have a strong alphanumeric passcode).<p>[1] <a href="https:&#x2F;&#x2F;xkcd.com&#x2F;538&#x2F;" rel="nofollow">https:&#x2F;&#x2F;xkcd.com&#x2F;538&#x2F;</a>
[2] <a href="https:&#x2F;&#x2F;blog.lookout.com&#x2F;blog&#x2F;2013&#x2F;09&#x2F;23&#x2F;why-i-hacked-apples-touchid-and-still-think-it-is-awesome&#x2F;" rel="nofollow">https:&#x2F;&#x2F;blog.lookout.com&#x2F;blog&#x2F;2013&#x2F;09&#x2F;23&#x2F;why-i-hacked-apples...</a>