On: Facebook Tells Barr It Won’t Open Up Encrypted Messages

[zaphirplane]

Assuming you are talking from a US point of view, https://www.newsweek.com/court-rules-defendant-must-disclose... suggests that a person can be completed to provide passwords that unlock incriminating evidence

If you are talking globally each country has its laws or no laws on the matter (as you’d expect there are also contradictory court rulings within a country/ state )

https://en.m.wikipedia.org/wiki/Key_disclosure_law