Inspector General Deborah Witzburg told the City Council that she’ll investigate the controversial June 4 police response if no one else will.

Chicago aldermen on Tuesday questioned what role police officers had in the ICE arrests last month and if there was a violation of a city ordinance banning CPD cooperation with immigration enforcement.

City Council members are calling for answers about the Chicago Police Department's involvement in an ICE operation last month in the South Loop.The CPD responded to the scene when a group of activists and some alderpeople clashed with federal immigration agents outside an immigration facility on June 4,