it's probably just a matter of time, or maybe it's already happened, when the police can go to Facebook or Google and ask them to use their computing resources

it's probably just a matter of time, or maybe it's already happened, when the police can go to Facebook or Google and ask them to use their computing resources and data to look up someone based on a picture. In this case, I hope they do, and there is some positive result. I'll love to see this link back to the culprits facebook profile, with his email address, phone number, and all his messages.