The correct answer is: violation of individual liberties, and the violation of the national and international laws.
As much as the government has plausible for doing it so, as we look back at the history of terrorist attacks, the government would argue the indefinite detention without, considering it aa form of prevention. If we know the human rights we will realize the most viable and obvious argument for being against that type of detention is the violation of national and international laws about the individual liberties. That's when there is no evidence of crime and when the individual does not represent national threat. It may be controversial the way government tries to deal with issues like that, but international organizations has made very clear their points about
The Declaration of Independence included these three major ideas: People have certain Inalienable Rights including Life, Liberty and Pursuit of Happiness. All Men are created equal. Individuals have a civic duty to defend these rights for themselves and others.