Photo of Union troops marching through Washington, D.C. in May 1865.

Ex parte Milligan 1866

In Ex parte Milligan (1866), the Supreme Court ruled that a prisoner's ability to challenge his or her detention could only be suspended for a brief and finite period of time, and only if the situation compelled it. The Court also ruled that military tribunals generally lack jurisdiction over civilians who are not connected with or engaged in armed conflict...

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