Sorry to hear that some scum bag did this.
Reporting to police.... I wont be surprised if they refer you to some form to fill out on their website. We had someone break into our car while it was parked in our driveway at night... we called the cops, they told us to go online and fill out a form, they didnt even want to come look at it. We didn't bother in fear that somehow the insurance company will get their hands on the info.