Not sure why this is being down-voted. The over 2 million Americans that are imprisoned do count as citizens, and the prison system is as corrupt as they come, from cases of judges being paid by private prisons(1) to give harsh sentences to minors to the blind eye given to assault and rape behind bars(2).
(1. http://topics.nytimes.com/topics/reference/timestopics/peopl...)
(2. http://www.hrw.org/news/2007/12/15/us-federal-statistics-sho... )