We also conclude that allowing officers to conduct a border search of an electronic device without reasonable suspicion would be harmful to civil rights/civil liberties without concomitant national security benefits.
There, DHS. FTFY. For the original, see the Executive Summary of the of DHS review of border search policies. And Wired’s article. And finally, the ACLU has a disturbing map of the regions of the U.S. in which the 4th amendment is suspended. It includes almost all major population centers.