a new tool in the fight against bacteria. strange, i might call it awesome. would you believe dragon blood is the key to all of this? plus, more questions after former nfl star and convicted murderer, aaron hernandez, was found hanged in his prison cell. more on that ahead. >> jon: some breaking details now unserious but a civil war. israeli defense officials saying the assad regime still has up to 3 tons of chemical weapons as an international watchdog group says they can confirm the victims of the april 4th chemical attacks were exposed to syrian nerve gas or a similar tocsin. conor powell with more on that. >> in 2013, the obama administration announced a deal that would see the assad regime give up its chemical weapons. it was a lot of skepticism here in israel. israeli officials never believed of the assad regime give up all