Two UN human rights watchdogs have asked the US to give details about the operation that killed Osama bin Laden, who was unarmed, in particular whether there had been any plan to capture him.There are growing speculations that international human right principles might have been jettisoned in the deadly operation after reports emerged that four of the five people killed, when an elite unit of US Navy SEALs raided the house in Pakistan's Abbottabad, were unarmed - bin Laden among them.
