CHICAGO (FOX 32 News) - The man who got the original tip that a dashcam video showed a Chicago police officer killing Laquan McDonald does not think such shootings are on the rise here, despite the number of videos that have surfaced recently.

Craig Futterman of the University of Chicago has studied 30 years worth of police shootings in the city. So far this year, seven people have been killed by Chicago police with just two weeks left in 2015, which is down from last year's 18 killed.

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