Originally Posted by
jack11111
A member of the intelligence services will certainly be present at the extraction of CVR data.
I'd be surprised if that's the case. You'd likely have a judicial presence at the handover to ensure the evidence is handled correctly, but there's no real reason to have military, intelligence or similar people present at playback.
Originally Posted by
Big Pistons Forever
...what was quoted as a "senior investigator"
Nope - the precise term used by the NYT was "A senior military official involved in the investigation", which could mean pretty much anything.