Nick Reiner's Defense Attorney Quits After Declaring "Not Guilty"—What Did Alan Jackson Find?

One of America's best defense attorneys just made the most unusual exit in recent legal memory. Alan Jackson told the court he was "legally and ethically prohibited" from continuing to represent Nick Reiner. Then he walked outside and told reporters: "Pursuant to the law in California, Nick Reiner is not guilty of murder." What circumstances force an attorney to withdraw while simultaneously staking his professional reputation on his client's innocence?

The clues are buried in sealed documents. A confidential medical order. Ten subpoenas prosecutors aren't allowed to see. Three weeks of investigation that changed Jackson's entire approach—th...