CNN reported that the audio recording contains the sound of paper rustling, as if Mr Trump was waving a document around. The recording also reportedly captured laughter after the ex-president noted that he was not permitted to show the document to anyone.
Stuff like this trickling out can be indicative of motion happening behind the scenes. If you charge a former president with violations of the espionage act you better not miss. I would expect some indictment news before the end of the summer