NOTICE – File a Complaint & Providing Additional Info

If you have experienced, witnessed or have information regarding an incident involving police misconduct, you can file a formal complaint by completing clicking on one of the icons below. Complaints can be completed by utilizing the web form below, mail or by phone on our hotline voicemail at 312-743-COPA (2672). 

If you have additional information about a complaint you previously filed that relates to the recent protests, email Information can include videos and photos of incidents you have witnessed or seen in the media. Be sure to add your complaint log number, if known, as well as date, time and location of the incident and contact information.

COPA has convened a special team of investigative personnel to investigate complaints specific to incidents that occurred due to recent protests. Staff is continuing to process these complaints filed through our website, via email, phone and on our hotline voicemail.

 If you would like to receive an update on a current investigation, please call 312-746-3609 and leave a message on COPA’s general voicemail or email our Chief Public Information Officer at to receive a response from our Public Affairs staff.


COPA is committed to carrying out its mission to conduct thorough investigations and be a leader in police accountability during this challenging time. We appreciate your patience and understanding.


        Have you been mistreated, or seen someone else mistreated,

by a member of the Chicago Police Department?

Do you have information about an incident involving police misconduct?

If so, contact us to file a complaint.

There are 5 easy ways to file a complaint:

By Phone
By Mail
Litigation Complaints
If you wish to file a complaint but have limited proficiency in English, translation services are available upon request. Google Translate, which may be helpful when filing an online complaint, is also available below

What Comes Next

  1. After filing a complaint, a letter will be mailed within five (5) business days detailing whether COPA or CPD’s Bureau of Internal Affairs (BIA) will be in charge of investigating the incident of police conduct. To learn about which cases are assigned to COPA or BIA, please visit our Investigative Process page.
  2. If COPA retains the case, you and other complainants or witnesses will be contacted by COPA about the complaint.
  3. After concluding our investigation, you and the involved CPD member(s) will receive letters from COPA reflecting our investigative finding(s), if any. If discipline or other actions are recommended, the case will then be reviewed by the CPD Superintendent and, if applicable, the Chicago Police Board as part of the review process.
  4. At the conclusion of the review process, you and the involved CPD member(s) will receive a letter reflecting the final findings and the final action taken in the case.

To read more about the full investigative process, please review information on our Investigative Process page.