Whether the case became moot when Dickerson completed diversionary probation and the drug charge was dismissed.
Holding
No. The case remained a live controversy because the diversionary disposition could produce collateral legal consequences.
Reasoning
Although Minnesota's diversion statute provided that the proceeding would not count as a conviction for most purposes, the statute required retention of a nonpublic record for use in later proceedings. Minnesota courts permitted use of that record if Dickerson later had legal difficulties, and federal sentencing law could count the diversionary disposition in calculating a future criminal-history category.
Those potential consequences meant that reinstating the drug charge could still affect Dickerson's legal position. The Court therefore had jurisdiction to decide the Fourth Amendment question.