I highly doubt it. I think blackhawks might have added the SSN part by mistake. The article just says....
Court documents show that Parler provided the email address, phone number, signup IP address, and creation date of an account where the threats were made, and associated with Reyes, after the "FBI submitted an exigent request to Parler for subscriber information."
You can lead a horse to water. But you can't make him get down on one knee and do an Al Jolson impression!