Legal Question in Criminal Law in Michigan

No lawyer on here is going to give you approval to commit perjury. Even if someone else comes forward, the prosecutor will determine whether or not they believe that person and they still have the discretion on whether or not to pursue the charges against the original defendant. He would not help matters by doing this, only making them worse. Not to mention implicating themselves in crimes during the process.

As Mr. Austin noted, you can't simply walk into court, confess and fall on the sword for the actual charged defendant to "spare" him in order for you to be convicted instead. If you testified convincingly at trial, a jury might find reasonable doubt about the charged defendant's culpability and find the defendant not guilty. But for you to be convicted, a prosecutor would have to charge you personally first.

I believe you have a cause of action against the last educational institution you attended. Before you proceed with this insane idea, stop your use of drugs or alcohol and get a free consultation with a grownup.