superintendent larry snelling at the crime prevention and information center or the cpic it's a 24/7 command center, where they will monitor all convention-related events, including protests, citywide multiple agencies will have representation within the command center, including the fbi, atf, and state police. so if there is an incident, they can coordinate and deploy resources swiftly. here in this vast open area of the chicago convention center, weeks ahead of the democratic national convention the chicago police are practicing with their mobile field forces chicago police officers were drilled through different scenarios. they've encountered violent protests medical rescue. how to extract someone from a hostile crowd shield training if the officers are being pelted with rocks and bottles and bicycle teams that can move rapidly through crowded streets and form a barricade but chicago