Well first of all, the officer is not the District Attorney or the Judge.
It is up to the District Attorney to decide who gets prosecuted and who does not and also what type of sentence might be appropriate. It also is up to a judge or a juvenile magistrate to decide if that sentence is going to be imposed.
So, I suggest, you not put too much credence into what this officer has said at this time.
If both have been charged, then the DA will review the matter. It could be the matter is dismissed as first time offenders, which means they each get probation
and if nothing else happens, the matter goes away in about 1 year.
I hope that this information is helpful. If you need further information, please just send me a reply asking for clarification. After that, I hope you will enter a positive rating so that I will be credited for assisting you. Thanks again for using this service. Your business is appreciated..