Last spring, Illinois county judge Jeffrey Goffinet noticed something startling: A legal brief filed in his courtroom cited a case that did not exist. Goffinet, an associate judge in Williamson County ...

Mr. Reiner, who is charged with killing his parents, will now be represented by a public defender. His arraignment has been rescheduled for next month.

Edge cases are no longer statistical outliers. In complex environments, they are inevitable. And when they occur, they often ...