A world exclusive investigation tells the inside story of the fight for the facts behind Yasser Arafat's death. Following What killed Arafat? which led French prosecutors to open a murder inquiry, this documentary follows the struggle to convince the Palestinian Authority to allow an exhumation of Arafat’s body to test for radioactive poison. Al Jazeera’s Clayton Swisher reports on the tests that led to the Swiss scientists reporting high levels of polonium Yasser Arafat's bones.