It's not mentioned in the Wikipedia article, but Burr's trial for treason was the earliest legal case in the United States questioning whether a defendant can b

It's not mentioned in the Wikipedia article, but Burr's trial for treason was the earliest legal case in the United States questioning whether a defendant can be compelled to decrypt their documents. In Burr's case his secretary knew his encryption keys and because the secretary was not a defendant, it was ruled that the secretary could be compelled to divulge them. Here are a few articles about it: http://volokh.com/posts/1198712224.shtml http://volokh.com/posts/1198712224.shtml https://www.forbes.com/sites/danielfisher/2016/03/19/tim-cook-meet-aaron-burr-why-the-encryption-fight-is-as-old-as-the-constitution/#2e09502213d7 https://www.forbes.com/sites/danielfisher/2016/03/19/tim-coo... http://jolt.richmond.edu/files/2017/02/David-Ries-Background-Materials.pdf http://jolt.richmond.edu/files/2017/02/David-Ries-Background...