Jake Applebaum was detained routinely during border crossings in the early wikileaks days. They (FBI?) demanded he decrypt his hard drive for them. He refused.

Jake Applebaum was detained routinely during border crossings in the early wikileaks days. They (FBI?) demanded he decrypt his hard drive for them. He refused. As far as I know they never managed to get inside. This works, at least some of the time.