If you have never been in any trouble before, you may qualify in juvenile court for what is called an informal adjudication. This the juvenile form of a diversion where no action is brought against you. It could be that the prosecutor determines not to file against you as well. It can many times take weeks for a juvenile action to be started. Consulting with an attorney would not be a bad idea.
Yes the consequences for him are very high and he should have an attorney that can help him get through the criminal process in a way that will help him avoid deportation. A d felony conviction will result in him being deported.
Entrapment can be a viable defense in Indiana under the right set of circumstances. You should contact a criminal defense attorney yo evaluate this possibility as it is very fact sensitive and will require information you should not divulge here.