Went out drinking last night. Last thing I remember. Woke up about an hour ago. In my drawer is a loaded pistol and $500, neither of which I had last night. My cellphone is gone, and I have a black eye.

I've never been in a fight in my life, and I've never owned a firearm either.

If I committed a crime last night/day, would I be at all okay if I turned myself into the police? If I'm wanted for anything how would I go about finding out? General advice on dealing with the aftermath of shit you don't remember?