Police have not yet identified the victim or any suspects.
He also ordered Homeland Security to give notice to attorneys before releasing people from detention.
This marks one of the first reported mass ICE enforcement actions this far south in Illinois.
In a statement Wednesday, U.S. Customs and Border Protection said use-of-force incidents “are thoroughly investigated” and the agent involved, Charles Exum, was placed on administrative leave.
When officers in suburban Chicago found a man passed out in a crashed car in October, they were surprised to discover the driver was an ICE officer who had recently completed his shift at a detention center and had his government firearm in the vehicle.
People report lengthy delays long after judges approve expungement and sealing orders.
“Social media is just a way to keep people informed,” Wheeler said. “And then we started to think about, well, let’s do some fun things also.”
Evidence includes texts sent by the agent who shot Martinez, body camera footage.
Dan Ryan, arrested early Thursday, is accused of domestic battery and DUI.
“Multiple recordings and electronic devices” were found in Ryan Atkinson’s home, according to the Sheriff’s Department.