But neither Mr. Johnson’s lax-sentencing explanation nor the media’s systemic-injustice explanation aligns with the timing of Chicago’s surge in violence. Sentencing protocols did not weaken in 2015 when crime started rising. Nor did poverty or alleged racism grow worse. What did change was the intensity of antipolice ideology, driven by the Black Lives Matter movement, relentlessly amplified by the press, and echoed by President Obama.
And
http://insider.foxnews.com/2016/07/12/chicago-blm-activist-we-need-abolish-police