In other words, after your friend turns himself in, the lawyer can intervene as a defender. Judging from all your circumstances, it can't be characterized as robbery, but it may be robbery. It depends on the specific evidence, and it depends on the specific sentencing circumstances when sentencing. You'd better find a professional criminal lawyer to intervene. Lawyer Liu Pingfan is a professional criminal lawyer. You can check his information on China Niu Lawyer's criminal defense website. I'll make an appointment for you, too