Evidence Mounting that Walker Campaign Is at Center of Criminal Probe
"A John Doe is similar to a grand jury investigation, but in front of a judge rather than a jury, and is conducted under strict secrecy orders. Wisconsin's 4th Circuit Court of Appeals unsealed some documents last week as it rejected a challenge to the probe filed by three of the unnamed "special interest groups" that had received subpoenas in the investigation and issued a ruling allowing the investigation to move forward."