Executive Order 13567 was signed by President Barack Obama on March 7, 2011.

[1][2][3] Entitled "Periodic Review of Individuals Detained at Guantánamo Bay Naval Station Pursuant to the Authorization for Use of Military Force", its purpose was to establish a process for review of the cases for all detainees at Guantanamo Bay detention camp to establish whether their continued detention is "necessary to protect against a significant threat to the security of the United States", and make recommendations for transfer if not.

[4] Senior Civil Service officials from six agencies sit on the Periodic Review Board: the United States Department of Defense, Homeland Security, Justice and State, and the offices of the Chairman of the Joint Chiefs of Staff and the Director of National Intelligence.

[5] Of the 693 total former detainees transferred out of Guantanamo, 30% are suspected or confirmed to have reengaged in terrorist activity.

[5] Of those detainees that were transferred out under President Obama, 5.6% are confirmed and 6.8% are suspected of reengaging in terrorist activity.