Juvenile Court Judge Christopher Dingell convicted the teen on Wednesday. The Detroit News says the boy ran to the rear of the courtroom while wearing handcuffs.
He says he wanted to say goodbye to his sister. The judge alerted security and deputies responded.
Bilal Berreni of Paris was killed in July 2013. He had no identification, and it took months to identify him through fingerprints.
The teen wasn’t accused of pulling the trigger. But the judge says the teen knew that others wanted to rob someone after losing a dice game. Dingell has flexibility in deciding a sentence because of the teen’s age