17 Year veteran of Police Department is locked up indefinitely until he decrypts hard drives that potentially have Child Abuse images on them. He has not been formally charged yet. His lawyer has argued that producing the passcode, stored as it is in his client’s brain, would violate his Constitutional rights regarding self-incrimination.

https://nakedsecurity.sophos.com/2016/04/28/suspect-who-wont-decrypt-hard-drives-jailed-indefinitely/