US Customs asserts the right to search (and if necessary, force you to unlock) any electronic device you bring with you, and to make copies of data found on tho

US Customs asserts the right to search (and if necessary, force you to unlock) any electronic device you bring with you, and to make copies of data found on those devices. A non-citizen who refuses search can be detained and/or denied entry to the US. Examples: https://www.washingtonpost.com/news/the-switch/wp/2016/11/30/u-s-border-agents-stopped-journalist-from-entry-and-took-his-phones/ https://www.washingtonpost.com/news/the-switch/wp/2016/11/30... https://www.theatlantic.com/technology/archive/2017/02/a-nasa-engineer-is-required-to-unlock-his-phone-at-the-border/516489/ https://www.theatlantic.com/technology/archive/2017/02/a-nas...