The report, titled “Treatment of Conflict-Related Detainees in Afghan Custody,” offered a grim tour of Afghanistan’s detention facilities, where even adolescents have reported abuse like beatings with hoses and pipes and threats of sodomy.

Despite concerted efforts for more than a year to train intelligence and police officials in interrogation techniques that respect human rights, the United Nations investigation found that incidences of torture by the police had risen…

Among the questions raised by the report is whether the pervasiveness of torture will make it difficult for the American military to hand over those being held in the Parwan Detention Facility, also known as Bagram Prison, as required under the agreement reached last week in Washington between President Obama and President Hamid Karzai of Afghanistan.