https://www.google.com/policies/privacy/
> For legal reasons
> We will share personal information with companies, organizations or individuals outside of Google if we have a good-faith belief that access, use, preservation or disclosure of the information is reasonably necessary to:
> * meet any applicable law, regulation, legal process or enforceable governmental request.
> * enforce applicable Terms of Service, including investigation of potential violations.
> * detect, prevent, or otherwise address fraud, security or technical issues.
> * protect against harm to the rights, property or safety of Google, our users or the public as required or permitted by law.