Violent crime

Police officers patrol outside the police headquarters in Paris, Friday, Oct. 4, 2019. The French government says there is nothing to suggest the police employee who stabbed four colleagues to death at Paris police headquarters yesterday was radicalized. (AP Photo/Michel Euler)

People visit a memorial garden for victims of a mass shooting in Las Vegas, Thursday, Oct. 3, 2019, in Las Vegas. Two years after a shooter rained gunfire on country music fans from a high-rise Las Vegas hotel, MGM Resorts International reached a settlement that could pay up to $800 million to families of the 58 people who died and hundreds of others who were injured, attorneys said Thursday. (AP Photo/John Locher)

Police respond to a report of gunfire at Smith Tower Apartments in downtown Vancouver, Wash., on Thursday, Oct. 3, 2019. Authorities say a man opened fire Thursday in the lobby of the apartment building for seniors, striking several people. (Mark Graves/The Oregonian via AP)

Botham Jean's younger brother Brandt Jean hugs convicted murderer and former Dallas Police Officer Amber Guyger after delivering his impact statement to her after she was sentenced to 10 years in jail, Wednesday, Oct. 2, 2019, in Dallas. Guyger shot and killed Botham Jean, an unarmed 26-year-old neighbor in his own apartment last year. She told police she thought his apartment was her own and that he was an intruder. (Tom Fox/The Dallas Morning News via AP, Pool)

Dwright Boone-Doty is found guilty by the jury of first-degree murder in the 2015 shooting death of 9-year-old Tyshawn Lee at the Leighton Criminal Court Building in Chicago, Thursday, Oct. 3, 2019. Prosecutors contended that Boone-Doty and fellow gang member Corey Morgan planned the November 2015 slaying of Lee before Boone-Doty took a gun Morgan gave him and shot the boy. (E. Jason Wambsgans/Chicago Tribune via AP, Pool)

People visit a memorial garden for victims of a mass shooting in Las Vegas, Thursday, Oct. 3, 2019, in Las Vegas. Two years after a shooter rained gunfire on country music fans from a high-rise Las Vegas hotel, MGM Resorts International reached a settlement that could pay up to $800 million to families of the 58 people who died and hundreds of others who were injured, attorneys said Thursday. (AP Photo/John Locher)

State District Judge Tammy Kemp opens a Bible to John 3:16 before giving it to former Dallas Police Officer Amber Guyger, left, before Guyger left for jail, Wednesday, Oct. 2, 2019, in Dallas. Guyger, who said she mistook neighbor Botham Jean's apartment for her own and fatally shot him in his living room, was sentenced to a decade in prison. (Tom Fox/The Dallas Morning News via AP, Pool)

FILE - This file image provided by the Maryland U.S. District Attorney's Office shows a photo of firearms and ammunition that was in the motion for detention pending trial in the case against Christopher Paul Hasson. Prosecutors say that Hasson, a Coast Guard lieutenant is a "domestic terrorist" who wrote about biological attacks and had a hit list that included prominent Democrats and media figures. Hasson is expected to plead guilty Thursday, Oct. 3, 2019 in a case charging him with gun and drug offenses. (Maryland U.S. District Attorney's Office via AP, File)

Police officers stand guard outside the Paris police headquarters, Thursday, Oct.3, 2019 in Paris. An employee armed with a knife attacked officers inside Paris police headquarters Thursday, killing at least four before he was fatally shot, a French police union official said. (AP Photo/Kamil Zihnioglu)

State District Judge Tammy Kemp gives former Dallas Police Officer Amber Guyger a hug before Guyger leaves for jail, Wednesday, Oct. 2, 2019, in Dallas. Guyger, who said she mistook neighbor Botham Jean's apartment for her own and fatally shot him in his living room, was sentenced to a decade in prison. (Tom Fox/The Dallas Morning News via AP, Pool)