Police brutality

FILE - In this Oct. 3, 2017, file photo, protesters stop traffic on Interstate 64 (Highway 40) eastbound at the Compton Avenue overpass in St. Louis, as part of ongoing demonstrations against the acquittal of a white former police officer in the 2011 killing of a black man. Three St. Louis police officers were indicted Thursday, Nov. 29, 2018, for allegedly beating an undercover colleague during a 2017 protest and, along with a fourth officer, conspiring to cover up the crime. (Robert Cohen/St. Louis Post-Dispatch via AP, File)

FILE - In this Oct. 30, 2018 file photo, from left, former Detective David March, Chicago Police Officer Thomas Gaffney and former officer Joseph Walsh appear at a pre-trial hearing at Leighton Criminal Court Building in Chicago. Prosecutors have laid out their case against the three Chicago police officers accused of participating in a cover-up of the fatal shooting of Laquan McDonald. The trial of officers charged with lying in their reports to protect Van Dyke is set to begin on Tuesday, Nov. 27, 2018. (Zbigniew Bzdak/Chicago Tribune via AP, Pool File)

Egyptian President Abdel-Fattah el-Sissi attends a signing ceremony following his talks with Russian President Vladimir Putin in Sochi, Russia, Wednesday, Oct. 17, 2018. Shaymaa Afifi, the wife of Mustafa el-Nagar, a former Egyptian lawmaker, says her husband went missing nearly three weeks ago and may have been detained by security forces. Rights activists say Egyptian authorities have made dozens of people disappear in recent years as part of a wide-ranging crackdown on dissent, but el-Sissi's government dismisses as unfounded accusations of its involvement. (AP Photo/Pavel Golovkin, Pool)

Tina Hunter, center, wipes her eyes as she watches from the gallery during Chicago Police Officer Jason Van Dyke's trial for the shooting death of her son Laquan McDonald, at the Leighton Criminal Court Building on Thursday, Sept. 20, 2018.(Antonio Perez/ Chicago Tribune via AP, Pool)

Allison Jean embraces hers son's friends following a prayer vigil for Botham Shem Jean at the Dallas West Church of Christ on Saturday, Sept. 8, 2018 in Dallas. He was shot by a Dallas police officer in his apartment on Thursday night. (Shaban Athuman/The Dallas Morning News via AP)

This Sept. 21, 2017, photo provided by Harding University in Search, Ark., shows Botham Jean leading worship at a university presidential reception in Dallas. Authorities said Friday, Sept. 7, 2018, that a Dallas police officer returning home from work shot and killed Jean, a neighbor, after she said she mistook his apartment for her own. The officer called dispatch to report that she had shot the man Thursday night, police said. (Jeff Montgomery/Harding University via AP)

"Young King" Solomon Grayson, 6, looks over at a sign that reads "You Could be Botham Shem Jean" during a Mothers Against Police Brutality candlelight vigil for Jean at the Jack Evans Police Headquarters on Friday, Sept. 7, 2018, in Dallas. Authorities are seeking a manslaughter warrant for the Dallas police officer who shot and killed Jean after she said she mistook his apartment for her own, police said Friday. (Shaban Athuman/The Dallas Morning News via AP)

Chicago Police Officer Jason Van Dyke walks into the courthouse, Wednesday morning, Sept. 5, 2018, in Chicago. Prospective jurors in the murder trial of Dyke who killed black teenager Laquan McDonald are to be given questionnaires as the first phase of jury selection starts Wednesday. (Ashlee Rezin/Chicago Sun-Times via AP)

A large billboard stands on top of a Nike store showing former San Francisco 49ers quarterback Colin Kaepernick at Union Square, Wednesday, Sept. 5, 2018, in San Francisco. An endorsement deal between Nike and Colin Kaepernick prompted a flood of debate Tuesday as sports fans reacted to the apparel giant backing an athlete known mainly for starting a wave of protests among NFL players of police brutality, racial inequality and other social issues. (AP Photo/Eric Risberg)

FILE- In this Aug. 21, 2018, file photo screens above trading posts on the floor of the New York Stock Exchange show the NSE logo. The U.S. stock market opens at 9:30 a.m. EDT on Tuesday, Sept. 4, 2018. (AP Photo/Richard Drew, File)