How to survive a checkpoint, so that your Computer and Phone cannot be seized:

https://www.youtube.com/watch?v=0zQQCSwZwcA&feature=player_detailpage

Just state/ask:

No thank you.

I want to go free on my way, please.

Am I free to go on my way?

I have the freedom in America to go down the road unmolested.

Am I free to go on my way?