If you find yourself in a situation where you might be detained and thereby unable to control interactions with your device, on iPhone you can disable TouchID and FaceID by holding one of the volume buttons and the sleep/wake button simultaneously for a few seconds. This will require you to enter your passcode the next time you want to unlock iPhone. Anyone have similar instructions for Android?
https://twitter.com/ACLU/status/1268588997829410816
"When you are lawfully present in any public space, you have the right to photograph anything in plain view, including federal buildings and the police."
"Police may not confiscate or demand to view your photographs or video without a warrant, nor may they delete data under any circumstances. Visual records are fully protected, but some states have tried to regulate the audio portion of videos under wiretapping laws."