The "Facebook Subpoena/Search Warrant Guidelines" from the Cryptome site are dated 2008, so there's a chance they've been superseded. The document spells out how law enforcement and intelligence agenices should go about requesting information about Facebook users, and details what information is turned over.
Following is what Facebook will turn over about you, taken verbatim from the guide:
Types of Information Available
User Neoprint
The Neoprint is an expanded view of a given user profile. A request should specify that they are requesting a “Neoprint of used Id XXXXXX”.
User Photoprint
The Photoprint is a compilation of all photos uploaded by the user that have not been deleted, along with all photos uploaded by any user which have the requested user tagged in them. A request should specify that they are requesting a “Photoprint of user Id XXXXXX”.
User Contact Info
All user contact information input by the user and not subsequently deleted by the user is available, regardless of whether it is visible in their profile. This information may include the following: Name Birth date Contact e-mail address(s) Physical address City State Zip Phone Cell Work phone Screen name (usually for AOL Messenger/iChat) Website
With the exception of contact e-mail and activated mobile numbers, Facebook validates none of this information. A request should specify that they are requesting "Contact information of user specified by [some other piece of contact information]". No historical data is retained.
Group Contact Info
Where a group is known, we will provide a list of users currently registered in a group. We will also provide a PDF of the current status of the group profile page.
A request should specify that they are requesting "Contact information for group XXXXXX".
No historical data is retained.
IP Logs
IP logs can be produced for a given user ID or IP address. A request should specify that they are requesting the "IP log of user Id XXXXXX" or "IP log of IP address xxx.xxx.xxx.xxx".
The log contains the following information:
* Script – script executed. For instance, a profile view of the URL http://www.facebook.com/profile.php?id=29445421 would populate script with "profile.php"
* Scriptget – additional information passed to the script. In the above example, scriptget would contain "id=29445421"
* Userid – The Facebook user id of the account active for the request
* View time – date of execution in Pacific Time
* IP – source IP address
IP log data is generally retained for 90 days from present date. However, this data source is under active and major redevelopment and data may be retained for a longer or shorter period.
Special Requests
The Facebook Security Team may be able to retrieve specific information not addressed in the general categories above. Please contact Facebook if you have a specific investigative need prior to issuing a subpoena or warrant.
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