610
Suspects can refuse to provide phone passcodes to police, court rules
(arstechnica.com)
This is a most excellent place for technology news and articles.
You're right. I know your response may seem implausible, but prosecutors have fought against the release of known innocent people.
It's not even that they'll try to get a win. It's that they can refuse to simply honor justice in its most fundamental forms.
Central park 5 comes to mind
Cops have also been known to use "parallel construction" in order to launder evidence that would otherwise be considered inadmissible. It's fucked.