The Committee called on the Archbishop to demonstrate the systems the Holy See has in place to prevent torture and cruel, inhuman, and degrading punishment, including rape and sexual abuse.
"The circumstances of the incarceration of the so-called Angola Three clearly show that the use of solitary confinement in the US penitentiary system goes far beyond what is acceptable under international human rights law," said Mendez.
The Holy See - the government of the Roman Catholic church - currently holds Non-Member State Permanent Observer status at the UN which gives it an influential role in the intergovernmental body.
In its final vote before adjourning for August recess, the Senate confirmed Samantha Power as the United States' ambassador to the United Nations.
The United Nations Committee on the Elimination of Discrimination against Women has voiced concerns that the rights of women in Afghanistan may be compromised in the interest of peace negotiations.
There has been outrage since the Nigerian Senate votedon July 16th to allow girls to marry without age restrictions.
Last week, the UN Women, the UN body charged with advancing gender equality, announced that Phumzile Mlambo-Ngcuka from South Africa would take the position of Executive Director.
On Monday, the United Nations passed a resolution to address the use of rape as a war tactic and establish the rights of victims of war-time rape to include comprehensive sexual and reproductive health. UN Secretary Ban Ki-moon addressed the Security Council before the debate, "Sexual violence, whenever and wherever it occurs, is a vile...