Fork Over Passwords or Pay the Price, New Zealand Tells Travelers
nytimes.com
nytimes.com
I'm rather surprised to discover on my Lineage OS 14.1 phone, that Settings > Backup & reset > Factory data reset > RESET PHONE does not actually delete everything like the description suggests: following such a reset, I still see files in the Files app when I click on my phone model: all of those directories still contain files and photos. So...yeah.
In theory when reformatting from TWRP, the mkfs should come with a trim command that ought to blow away all user data and the cache. But the thing is, you have to know what to format because Android has so many goddamn partitions.
Next chapter is when they demand you give them your social media account credentials. What you don't have a Facebook account? Liar! Off to prison!