One might think a person could not be complicit in his own “lynching.” But�MD-BO� in a quirky case that bends the meaning of the word, an appellate court has ruled that a minor defendant “lynched” himself and should serve up to 8 1/2 years in juvenile detention.

The First District Court of Appeal held Wednesday that when Anthony J. exhorted an angry San Francisco crowd to free him from police, he was aiding and abetting mob behavior.