Not even President Barack Obama's Hyde Park home can escape signs of the coming NATO Summit.
The words "Violence is Weak" were found Wednesday morning spelled out on a barrier wall outside Obama's Hyde Park home.
McCarthy Discusses "Sound Cannons"
Police superintendent says "Long Range Acoustical Devices" will be used to send messages, not inflict pain.
(Published Tuesday, May 15, 2012)
It's not clear whether protesters left the graffiti, but the Chicago Police and Secret Service were on the scene investigating.
A source said the material appears to be fecal matter, but NBCChicago was unable to confirm whether it was indeed excrement.
Will 'Black Bloc' be Used At NATO?
The "Black Bloc" is a tactical maneuver used by protestors to remain anonymous while demonstrating. Some, however, have opted out of a peaceful protest and instead intend to cause chaos and destruction.
(Published Wednesday, May 16, 2012)
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Published at 9:04 AM CDT on May 16, 2012 | Updated at 10:28 AM CDT on May 16, 2012