On Saturday, July 17, an unknown shooter wounded an Oshkosh, Wisconsin, police officer, then faded into the night. Was the shot fired by a partying teenager? Was it an accidental discharge from another officer's gun? Was it a mistake or an intentional assault? No one knows. What happened next is unclear; everyone gives a different version of the events. According to the most credible reports, the Oshkosh PD evacuated a several block area. Without warrants in the immediate aftermath of the shooting, SWAT teams and police dogs descended on the neighborhood. Officers got consent to search homes. (It's logical to...