This is about the best info on this accident I've seen so far.
Gulfstream IV N121JM crash claims seven lives | Corporate Jet InvestorCorporate Jet Investor
Way too little reliable info to be comparing to other similar accidents at this time so I'll refrain from doing so. With one of the dead being a media outlet owner, I expect the NTSB will make some public statements in the coming days. Stand by for a trickle of investigation related news.