Anderson Cooper 360

How many Gitmo prisoners return to fight?

Program Note: Peter Bergen will be on tonight talking about the situation in Afghanistan. Tune in AC360° 10p ET.

[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2009/POLITICS/07/20/bergen.guantanamo/art.peter.bergen.cnn.jpg caption="Peter Bergen says it's crucial to know how many ex-Guantanamo prisoners have gone back to the fight."]

Peter Bergen and Katherine Tiedemann
Special to CNN

As President Obama awaits formal recommendations this month on issues surrounding the U.S. military prison at Guantanamo Bay, Cuba, it is crucial that policymakers and the public have an accurate picture of the threat to the United States posed by those detainees already released.

Contrary to recent assertions that one in seven, or 14 percent, of the former prisoners had "returned to the battlefield," our analysis of Pentagon reports, news stories and other public records indicates that the number who were confirmed or suspected to be involved in anti-U.S. violence is closer to one in 25, or 4 percent.

During his first week in office, Obama signed an executive order directing that the Guantanamo prison be closed by January 22, 2010, and suspending the system of military commissions that existed to deal with detainees in what the Bush administration termed the war on terror.

Keep reading...