U.S. customs agents are searching more cellphones — including those belonging to Americans -- The Washington Post

The agency said the inspections increase is an indication that electronic devices are critical sources of information on potential security threats. ...
https://www.washingtonpost.com/world/national-security/us-customs-agents-are-searching-more-cellphones--including-those-belonging-to-americans/2018/01/05/0a236202-f247-11e7-b3bf-ab90a706e175_story.html