It’s unlikely the story is true. If he had he must have informed them by note while he was in the air to Hong Kong.
Had he informed his superiors in regards to NSA data tapping abuse on a country wide scale ... he would have been immediately suspect, and if he worked with the family jewels he would have been having his exit interview and reminded of the penalties for violating his non-disclosures.
Of course, Sandy Berger walked into a archive library and made off with confidential documents so your mileage may vary.
I hope you meant to write "the crown jewels," 'cause if you didn't, then...well, just damn...