[justlurking]

I think he said that the FBI found “extreme carelessness” but no grounds for prosecution that only requires “gross negligence.”

The legal definition of "gross negligence" is essentially "extreme carelessness".

http://legal-dictionary.thefreedictionary.com/gross+negligence

[Canedawg]

The legal definition of "gross negligence" is essentially "extreme carelessness".

Yes!

[Eroteme]

The legal definition of "gross negligence" is essentially "extreme carelessness".

Exactly!