violent crime

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Police say 90 people were killed in Chicago last month, more homicides than New York and Los Angeles combined. Hundreds more people were shot in one of the bloodiest months in recent history. The city is now on pace for its deadliest year in almost two decades with more than 460 murders already.

Loyola University criminologist Arthur Lurigio says the first thing the police need to do to reduce violent crime is start solving more murders.

A review of Chicago records reveals that far more people are retiring from the city's police department than are joining the force. 

The FBI director James Comey says police anxiety in "the era of viral videos" appears to be part of the reason for rising violent crime in several big U.S. cities.

People who post internet video of themselves committing violent crimes could start spending more time behind bars.