Hi Huntressofknowledge
welcome to the Apple (user-to-user) Community.
Re: " is it possible to retrieve this info in case of a warrent?"
As we are all Apple users, like yourself, in this community, it is likely no-one here has a precise answer for you.
Wondering if Apple support's article (link below) is of any help to you:
How to: Get help with security issues - Apple Support
says:
Law enforcement
Please consult these guidelines for contacting Apple with law enforcement requests:
More info:
How to: Contact Apple for help with Apple ID account security – Apple Support
All the best :-)