Let’s start with the June 11th press release from the U.S. Attorney:
Today in the Chicago Tribune comes this:

This explaination was offered:
“While the dismissal of the federal charges may be only temporary, it adds more fuel to the crisis surrounding the U.S. attorney’s office since the meltdown last month of the “Broadview Six” case that has led to calls for sanctions and for U.S. Attorney Andrew Boutros to resign.
“In making the unusual move to dismiss the Country Club Hills complaint, prosecutors in a court filing Wednesday made repeated vague references to the ‘Front Office,’ including how the front office became aware of new video of the incident and what actions were taken once they were disclosed.”
Here is the video in question:
