Nixon Aide Admits Blacks & Hippies Were Convicted Of Trivial Drug Crimes For Political Gain

Nixon Official John Erhlichman: Real Reason For The Drug War Was To Criminalize Black People And Hippies

https://www.vox.com/2016/3/22/11278760/war-on-drugs-racism-nixon

Nixon Aide John Erhlichman Says War On Drugs Targeted Blacks And Hippies

http://www.cnn.com/2016/03/23/politics/john-ehrlichman-richard-nixon-drug-war-blacks-hippie/

"13th"

Documentary film about The 13th Amendment which permits the enslavement of criminals and how the American government - particularly in its conservative manifestations - used the 13th Amendment for over a century to re-enslave black people, and in the Nixon administration to lock up liberal whites

http://www.imdb.com/title/tt5895028/?ref_=fn_al_tt_1