For years I've been harping on the militarization of our police forces,
Best of the lot, a very insightful piece by Alexis Madrigal, writing in The Atlantic
Also, Philip Zimbardo, the Lucifer Effect, pickle barrels, Stanford Prison Experiment, Milgram, yada yada
**"Pepper spray"--fuck whatever PR flack came up with that moniker, it's OC Gas: it's banned for use in warfare, restricted all to hell in prisons, has killed dozens of people in the US, including one last month (courtesy of the NYPD, natch). Call it what it is--a chemical weapon, poison gas.
Chart is from Deborah Blum's Speakeasy Science article, also required reading = everything you should know about OC gas.