A Russian cybercriminal organization claimed it hacked into the National Rifle Association and rifled through its private documents.

The Russian group, known as Grief, posted 13 screenshots of documents it had stolen, threatening to release more if not paid. The organization did not state how many records it had acquired. The files released so far were mostly related to NRA grants, including a list of recipients. The document also includes a W-9 form and minutes from a Sept. 24 NRA teleconference meeting, according to NBC.