The four defendants are being charged with assaulting and resisting officers outside the Broadview ICE facility during the multi-day protest on Saturday. Hubert Mazur, Ray Collins and Jocelyne Robledo were also detained at the protests after engaging in physical altercations with federal officers, according to the court documents. J.B. Pritzker said federal officers used tear gas, pepper spray, rubber bullets and flash-bang devices on protesters, journalists and bystanders in Broadview. The Trump administration is attempting to destabilize Chicago, he said. ABC News has reached out to the Trump administration for a comment.