Chicago police have warned their law enforcement counterparts across the nation that the release of body camera video showing the fatal shooting of a man by officers may cause violence against law enforcement, reports Fox News .
According to a memo seen by FoxNews.com , authorities said making the video of car theft suspect Paul O'Neal's death public, coupled with the Aug. 9 anniversary of Michael Brown's death in Ferguson, MO, "may cause an uptick in violence against police nationwide."