Security Around Chicago DNC

america americas antiwar cease fire ceasefire chicago convention cpd democratic demonstration dnc gaza genocide israel israel palestine jewish mid-east middle east palestine peace police progressive protest protestors rally secret service security united states usa war Newly installed locks reinforce security fences secured perimeter Democratic National Convention Chicago Illinois August 20 2024 protestors breached barricades Bryan Olin Dozier NurPhoto security measures protest convention security perimeter security event security breach security reinforcement barricade breach convention safety protestor breach security upgrade physical security public event safety protocols crowd control security breach convention protection protest management security incident lock installation.