The UN has delivered a withering verdict on the US's human rights record, raising concerns on a series of issues including torture, drone strikes, the failure to close Guantánamo Bay and the NSA's bulk collection of personal data. The report was delivered by the UN's human rights committee in an assessment of how the US is complying with the International Covenant on Civil and Political Rights...It said the collection of the contents of communications from US-based companies under the Prism program had an adverse impact on the right to privacy. It added that the legal oversight of such programs had largely been kept secret and failed to protect the rights of those affected. The UN committee urged the US to overhaul its surveillance activities to ensure they complied with US law and conformed to US obligations under the ICCPR...[T]he committee also criticised the US for failing to prosecute senior members of its armed forces and private contractors involved in torture and targeted killings.