The FBI said Tuesday that it is investigating the unauthorized release of classified documents on Israel's preparation for a potential retaliatory attack on Iran. White House national security spokesman John Kirby said Monday that the Biden administration is still not certain if the classified information was leaked or hacked but that officials don't have any indication at this point of additional documents like this finding their way into the public domain." At the Pentagon, Maj. Gen. Pat Ryder said that Defense Secretary Lloyd Austin has spoken with his counterpart, Israeli Defense Minister Yoav Gallant, about the release of documents. But Ryder, who is press secretary, said he could provide no details or say when the conversation took place. The Associated Press reported Saturday that US officials were investigating the release. The FBI confirmed the investigation for the first time on Tuesday and said in a statement that it is working closely with our partners in the Department