Wilson has garnered more and more public support in recent days. That includes a rally held for him in St. Louis and a fundraising effort that had raised more than $36,000 from nearly 1,000 people as of Tuesday.

Michael Brown's family:

They've hired lawyers and expressed outrage at how the police have handled things, including Friday's simultaneous release of the officer's name and surveillance video from the day of the shooting that showed a man identified in police documents as Brown roughing up a convenience store clerk while purportedly stealing cigars. The family and critics of the department have accused police of trying to damage Brown's character.