Recent Developments indicate Michael Hastings was investigating the CIA director John Brennan when he died in an auto accident under suspicious circumstances.

Background on Hastings:

https://en.wikipedia.org/wiki/Michael_Hastings_(journalist)

Sources on likely coverup and suspicious nature of his death.

http://www.sandiego6.com/story/cia-director-brennan-confirmed-as-reporter-michael-hastings-next-target-20130812
http://www.sandiego6.com/story/hastings-investigation-20130714
http://www.wikileaks.org/gifiles/docs/1210665_obama-leak-investigations-internal-use-only-pls-do-not.html
http://www.liveleak.com/view?i=28c_1375058568
http://www.youtube.com/watch?v=-OtBnaQlcpo
http://www.globalresearch.ca/connections-between-michael-hastings-edward-snowden-and-barrett-brown-the-war-with-the-security-state/5345423
http://www.newscientist.com/article/mg21929266.500-25-gadget-lets-hackers-seize-control-of-a-car.html#.UgopV6zb33U
http://www.forbes.com/sites/andygreenberg/2013/07/24/hackers-reveal-nasty-new-car-attacks-with-me-behind-the-wheel-video/
http://www.reuters.com/article/2012/08/20/autos-hackers-idUSnL2E8JJ3320120820 (mentions Barnaby Jack...)
http://www.mbusa.com/mercedes/mbrace
http://www.huffingtonpost.com/2013/06/24/michael-hastings-car-hacked_n_3492339.html
http://www.huffingtonpost.com/2013/06/22/michael-hastings-email_n_3484118.html
http://www.ibtimes.com/michael-hastings-car-hacking-theory-latest-attempt-explain-suspicious-death-richard-clarke-says
http://www.dailymail.co.uk/news/article-2346744/Journalist-Michael-Hastings-told-friends-needed-radar-just-hours-died-fiery-car-crash.html
http://www.dailymail.co.uk/news/article-2345332/Paranoid-Michael-Hastings-told-WikiLeaks-lawyer-investigated-FBI-hours-deadly-car-crash.html
http://whitenoise.gizmodo.com/this-keeps-getting-weirder-lapd-cremated-michael-hasti-807741420

Assasination attempt on first 2 officers on scene 7 days after.
http://articles.latimes.com/2013/jun/25/local/la-me-ln-lapd-ambush-shooting-20130625

Any further information feel free to contribute.