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A comment on Judge Grants Search Warrant Forcing Woman to Unlock iPhone with Touch ID. Parent comment

Re:Judge Grants Search Warrant Forcing Woman to Unlock iPhon... by khedoros on Monday May 02, 2016 @03:34PM (#11614766)
Providing a fingerprint isn't considered testimony, and the law doesn't currently make an exception for a fingerprint used as the equivalent of a passphrase. The fifth amendment protects knowledge, but not physical constructs like a fingerprint or DNA swab[1].

So, you can be compelled to provide a fingerprint, and the use that the fingerprint is put to is outside the scope of 5th amendment protections.

http://www.supremecourt.gov/opinions/12pdf/12-207_d18e.pdf

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Re:Judge Grants Search Warrant Forcing Woman to Unlock iPhon... by taneq on Monday May 02, 2016 @10:06PM (#11617303)
It's gonna get really interesting if/when neuroscience advances to the point where we can just read a passcode out of someone's brainwaves. I don't see any legal difference between the fingerprint case and the brain-scan case (both are measuring a physical aspect of the person) but it's going to completely bypass the fifth amendment.
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