From Glenn Greenwald at Salon.com

Al-Marri and the power to imprison U.S. citizens without charges

http://www.salon.com/opinion/greenwald/
. . . the President can order anyone in the U.S. imprisoned in a military brig as an "enemy combatant" -- even if they have never fought on a battlefield or with a foreign power against the U.S. Rather, mere accusations by the President of "terrorism" are sufficient to justify the indefinite incarceration of such an individual as an "enemy combatant," who is then denied basic Constitutional guarantees.
To say that such individuals can be held "for the duration of relevant hostilities" means, of course, that such individuals can be imprisoned by the President in a military brig not just for years but for decades [Dec. at 62]:

. . . -- this decision applies every bit as much, and to exactly the same extent, to U.S. citizens on U.S. soil as it does to non-citizens (such as al-Marri) who are in the U.S. legally. From Judge Traxler's opinion [Dec. at 98]:


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dictatorial - characteristic of an absolute ruler or absolute rule; having absolute sovereignty;

Adjective
1. of or pertaining to a dictator
2. tyrannical; overbearing


Know and understand.
Lex