“In a 2017 analysis of data from 20 states, researchers at Stanford University found that “white drivers are searched in 2.0% of stops, compared to 3.5% of stops for black motorists and 3.8% for Hispanic motorists.” After the researchers controlled for stop location, date and time, and driver age and gender, they calculated that “black and Hispanic drivers have approximately twice the odds of being searched relative to white drivers.” They were also twice as likely to be arrested. The study found that “black and Hispanic drivers are searched on the basis of less evidence than white drivers, suggestive of bias in search decisions.”
After surveying drivers in the Kansas City area in 2003 and 2004, Charles Epp and two other researchers at the University of Kansas classified police encounters based on the legal justification (or lack thereof) and the amount of discretion involved. They found that black drivers were no more likely than white drivers to report clear-cut “traffic safety stops” (e.g., for running a red light or stop sign, driving at night with headlights off, or exceeding the speed limit by seven or more miles an hour) but were nearly three times as likely to report seemingly pretextual “investigatory stops” (e.g., for an unilluminated license plate, driving too slowly, or no reason mentioned by the officer).
During investigatory stops, Epp and his colleagues reported, black drivers were five times as likely as white drivers to be searched. They were also more likely to be handcuffed and threatened with arrest, and more likely to describe the officer’s demeanor as rude, hostile, or insulting. Blacks perceived investigatory stops as less legitimate than traffic safety stops, while whites made no such distinction. The more stops black drivers had experienced, the less they trusted the police, an effect that was not apparent among white drivers.”
Homicide Harvard Injury Control Research Center. Havard T.H.Chan School of Public Health. FIREARMS AND FAMILY VIOLENCE Arthur Kellermann, Sheryl Heron. 1999. Emergency Medicine Clinics of North America. https://www.sciencedirect.com/science/article/abs/pii/S0733862705700924 Firearm possession and violent death: A critical review Wolfgang Stroebe. 2013. Aggression and Violent
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“It is unclear whether ordering emergency curfews — that is, telling people they must stay at home and avoid public areas after a certain time in the evening, and increasing public police presence to enforce it — is effective in reducing unrest. Criminologists note there doesn’t appear to be an abundance of research on the matter. But some experts have raised concerns about the way curfews are likely to be enforced in communities of color and argue they could exacerbate the very dynamics that gave rise to the unrest in the first place: namely, that they will encourage confrontational policing at a time when people are demanding the opposite.”
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““Curfews are an extremely blunt tool that should only be used sparingly and as a last result. They give police tremendous power to intervene in the lives of all citizens,” he said. “They pose a huge burden on people who work irregular hours, especially people of color in service professions who may need to travel through areas of social disturbance in order to get to and from work at night.””
“empirical research has come out persuasively showing that riots in the past have not generally swung public opinion toward the causes they’re rooted in.
Particularly with the 1960s riots, the evidence suggests that white voters’ negative reactions to these uprisings in black communities fueled the rise of “tough on crime” politicians whose policies perpetuated some of the problems that protesters in the ’60s stood against and that demonstrators today are now protesting.
We don’t know if this research on the 1960s uprisings can be perfectly generalized to protests today, when the circumstances, political climate, and population are different. There are other studies suggesting that, at least in limited circumstances, riots have helped some causes.
But there are concerning signs about the way today’s protests are going. With violence becoming a bigger and bigger part of the news, figures like President Donald Trump can ignore the overall message and cause of the protests and instead focus on calling for “law and order” and the deployment of the National Guard. Some, like Sen. Tom Cotton (R-AR), have called for military deployment in cities hit by riots. Unrest at protests is producing the very attitudes and positions — from “tough on crime” to the literal militarization of policing — that protesters are standing against.”
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“research from the past suggests the path to meaningful change, particularly for racial justice, is typically more successful through peaceful means.”