The below statement can be attributed to Rachel Murphy, Staff Attorney, ACLU of Illinois:

“Once again, we see evidence of the lack of meaningful de-escalation by Chicago police officers. A man who apparently did nothing more than jumped trains ultimately was shot yesterday by a police officer, an event captured on video by a fellow CTA rider.
The consent decree guiding police reform approved a year ago requires officers to use de-escalation techniques to prevent or reduce the need for force. Likewise, the decree mandates public input into policies that guide policing in Chicago. It is critical that the community be part of the dialogue around when and how officers may use force. Thus far, CPD has not adequately included the public in the process of developing these policies. 
We are heartened to hear that the man shot yesterday is receiving treatment at a local hospital. There must be a full investigation into this event, with appropriate transparency and accountability.”