Comment by insane_dreamer

in practice you're right, but it's hard to see how that squares with the 4A.

an officer can't stop me on the street and demand to see the contents of my phone -- unless they can show "probable cause" that I was about to commit a crime (based on other evidence), or I'm already named as a suspect or POI in an investigation. So if they ask to see the contents of my phone and I delete it instead (it's a very small bag in this example, Lol) am I obstructing an investigation?