Vox — No, Biden did not call Black people “superpredators”

Violent crimes committed by juveniles rose a precipitous 64 percent from 1980 to 1994 according to a March 2002 study by the Urban Institute’s Jeffrey Butts and Jeremy Travis. This figure includes forcible rape, robbery, and aggravated assault, but to underscore the horror of this era, arrests for murder alone “jumped 99 percent during that time.”

Newsday — Suffolk Police Stopped, Searched Minority Drivers at Higher Rates

“It’s where the story begins and where our attitudes begin in terms of how we perceive law enforcement,” said Jeffrey Butts, a research professor at John Jay College of Criminal Justice. “If you’re pulled over all the time, and you think other people are behaving the same way you are, but they’re pulling you over, you immediately start thinking that police are biased, which means government is biased, which causes you to doubt the whole enterprise of democracy and government. So, it’s really serious.”

San Francisco Chronicle — Trump’s ‘Law and Order’ : Ignoring Facts as he Plays to Fears

Trump isn’t the first national politician to poke at those anxieties. George Wallace, Richard Nixon, George H.W. Bush and George W. Bush, and Bill Clinton all raised fears of crime, said Jeffrey Butts, who directs the Research and Evaluation Center at the John Jay College of Criminal Justice in New York.