What others are saying
Data scientist Amy Shoemaker sheds light on new study over police stops
The HillApril 24, 2019
Stanford University data scientist Amy Shoemaker encouraged local journalists to delve into data on racial biases at police departments in an interview that aired Wednesday on Hill.TV's "Rising."
Researchers studied nearly 100 million traffic stops and found black motorists are more likely to be pulled over
CNNMarch 21, 2019
A study of nearly 100 million traffic stops from around the US has concluded that, on average, black drivers are 20% more likely to get pulled over than white drivers.
Study Finds Racial Bias In Police Traffic Stops And Searches
HuffPostMarch 19, 2019
Black drivers were about 20 percent more likely than whites to be pulled over, according to an analysis of nearly 100 million cases.
Black drivers in America face discrimination by the police
The EconomistMarch 15, 2019
An analysis of nearly 100m traffic stops suggests that many officers treat “driving while black” as a crime
Inside 100 million police traffic stops: New evidence of racial bias
NBC NewsMarch 13, 2019
Stanford researchers found that black and Latino drivers were stopped more often than white drivers, based on less evidence of wrongdoing.
The Daily Show
With Trevor NoahAugust 3, 2017
A Stanford University study uncovers racial disparity in routine traffic stops.
Police searches drop dramatically in states that legalized marijuana
NBC NewsJune 23, 2017
Traffic searches by highway patrols in Colorado and Washington dropped by nearly half after the two states legalized marijuana in 2012. That also reduced the racial disparities in the stops, according to a new analysis of police data, but not by much. Blacks and Hispanics are still searched at higher rates than whites.
Measuring racial bias in police forces
The EconomistJune 22, 2017
Is driving while black really an offense?
Why legal pot could dramatically cut state’s police vehicle searches
KQED NewsJune 21, 2017
Colorado and Washington saw vehicle searches by police officers fall dramatically after legalizing marijuana — a trend that could have implications in California, where voters legalized recreational
How to cut down on searches in traffic stops: legalize pot
The Marshall ProjectJune 21, 2017
New data shows legalization leads to fewer encounters between cops and drivers, but racial disparities remain.
Police officers are more likely to cite black or Latino drivers than whites during traffic stops
Daily MailJune 19, 2017
The findings are based on a Stanford University study of 100 million traffic stops in 31 states between 2011 and 2015.
Black and Latino drivers are searched based on less evidence and are more likely to be arrested, Stanford researchers find
Los Angeles TimesJune 19, 2017
Stanford researchers find police require less suspicion to search Latino and black drivers; once pulled over, blacks and Latinos are more likely to be cited, searched and arrested.
Stanford study finds bias in police searches
The Mercury NewsJune 19, 2017
A Stanford analysis of nationwide traffic stop-and-search records show minorities are held to a double standard and searched on the basis of less evidence.
Black and Latino drivers more likely to be cited and arrested than whites during traffic stops, study finds
NY Daily NewsJune 19, 2017
Police officers are more likely to search, cite and arrest drivers who are black or Hispanic, a study finds.
New database allows Stanford researchers to find disparities in officers’ treatment of minority motorists
Stanford NewsJune 19, 2017
The Stanford Open Policing Project obtained data on millions of state patrol stops and found evidence that minorities are held to a double standard. The data are being shared with researchers, journalists and the public.