Spent bullet casings litter a road after authorities reported a gunbattle outside Mazatlan, Mexico, in July 2017, a year marked by the highest homicides in at least decades.
Mario Rivera Alvarado/AP
This is a Nov. 17, 1967 file photo of former president Lyndon B. Johnson. That year a commission Johnson had organized to come up with recommendations for how to win his "war on crime" issued their report. The legacy of some of those recommendations can be seen today.
Chicago police announced on Sunday the arrest of a 14-year-old boy in connection with the sexual assault of a 15-year-old girl that was streamed live on Facebook. Above, Chicago Police Superintendent Eddie Johnson talks to reporters at the scene of a triple shooting in the North Lawndale neighborhood in February.
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A Chinese police officer poses with Chinese tourists in front of Milan's cathedral on May 3. Chinese police are on patrol with Italian officers to help make Chinese visitors feel safer.
President Bill Clinton speaks about his crime bill to police officers at the Justice Department in April 1994. This week, Clinton defended the measure, which has been criticized by Black Lives Matter protesters.
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