I didn't even bother to get to the "jailed without trial" half of his question yet, since that was very publicly signed into law only a couple of years ago and obvious enough to not need rigorous debate.
I guess this general pattern of police misconduct is only now becoming mainstream, thanks to the Internet. There are probably still a lot of people either ignorant of the pattern or in denial of it. Remember, it took a while for the masses to learn and accept that cops in LA had a pattern for severe mistreatment of African Americans.
But yeah. http://www.alternet.org/16-year-old-jailed-rikers-3-years-wi...
And one case most of us are familiar with: http://en.wikipedia.org/wiki/Barrett_Brown
http://usnews.nbcnews.com/_news/2012/01/25/10233835-man-spen...