From the Chicago Tribune:

Craig Futterman, a University of Chicago law professor who has studied police misconduct for years, said it was noteworthy that Johnson acted against the officers for decisions that led up to the shooting.

"There are often shootings that if you were just analyzing what was happening in the last second you might say the shooting is consistent with policy and justified," he said. "But if you take two or three steps backward, there may have been no reason for the situation to have escalated to this point.

"That is another piece of the welcome change … looking at the decisions and actions that led up to the shooting to see if we can do something better in the future. What do we need to train our officers better?"

From The Wall Street Journal:

Police brass in recent days stripped three officers of their powers in the wake of a fatal shooting of an unarmed black man suspected of stealing a car and fleeing Thursday, an unusually swift response amid intense scrutiny over police action here.

[...]

Craig Futterman, a law professor at the University of Chicago who has examined police misconduct in Chicago, says that while there are systemic problems in the city that go beyond a single instance, the department’s response is “without a doubt a marked break from the past.”

Its policy going forward, including how quickly the dashboard and body-camera videos from the shooting are released, will determine if a dramatic change has occurred or if this is a “public-relations move at a time of crisis,” he added.

Read more at Chicago Tribune