The United Nations is incapable of investigating itself, according to experts

Critics of the United Nations say the world body needs to drop its immunity in cases of serious wrongdoing and bring in national police forces to carry out such inquiries. UNRWA has been accused of defrauding the UN in the past, but it has not been investigated by the UN.

White House defends UNRWA amid terrorist allegations: 'Don't impugn the whole agency' Spokesman says allegations against 13 UNRwa employees should not impudn the agency. John Kirby says allegations should not 'impugn' the agency's whole agency.