CNN Around the World November 7, 2013 17:58:00
Between the death and collection of the samples, and that some of his personal effects could have been contaminated. professor is the director of the forensic team. >> translator: was pull loanium the cause of death? can we say with certainty polonium was the death of arafat? the answer, unfortunately, it's clearly we can not give a clearly defined answer. again, so our study has not been able to prove categorically a hypothesis of poisoning or another of nonpoisoning by polonium. >> reporter: yasser arafat's widow has a very different take, telling cnn the results reveal a real crime, a polit...