Dozens of Americans believed to have joined terrorists

 
Deputy National Security Adviser for Homeland Security and Counterterrorism John O. Brennan says of U.S.-born recruits to terrorist groups: "There are, in my mind, dozens of U.S. persons who are in different parts of the world, and they are very concerning to us." J.M. EDDINS JR./THE WASHINGTON TIMES
Dozens of Americans have joined terrorist groups and are posing a threat to the United States and its interests abroad, the president's most senior adviser on counterterrorism and homeland security said Thursday.
"There are, in my mind, dozens of U.S. persons who are in different parts of the world, and they are very concerning to us," said John O. Brennan, deputy White House national security adviser for homeland security and counterterrorism.
In a wide-ranging interview with The Washington Times, Mr. Brennan said he would not talk about lists of targeted American terrorists. However, U.S. intelligence and law enforcement agencies have been tracking down U.S. nationals and U.S. passport holders who pose security threats, like the Yemen-based al Qaeda cleric Anwar al-Awlaki, he said.
"They are concerning to us, not just because of the passport they hold, but because they understand our operational environment here, they bring with them certain skills, whether it be language skills or familiarity with potential targets, and they are very worrisome, and we are determined to take away their ability to assist with terrorist attacks," Mr. Brennan said.
The remarks came in response to questions about procedures used by the president to order lethal strikes on U.S. citizens who have joined al Qaeda or other terrorist groups.
On Feb. 3, Dennis C. Blair, then director of national intelligence, said in congressional testimony that special permission must first be obtained by military or intelligence forces before what he termed "direct action" strikes against American citizens.
The main weapon in recent CIA and U.S. military counterterrorism operations has been attacks with missile-equipped unmanned aerial vehicles in Afghanistan, Iraq, Pakistan, Somalia and Yemen. The administration has said it has killed dozens or perhaps scores of terrorists with these strikes over the past several years.
That practice was criticized in a report earlier this month authored by Philip Alston, the independent U.N. investigator on extrajudicial killings, who said the practice may violate international humanitarian law.
The American Civil Liberties Union in a letter to Mr. Obama on April 28 warned that the current program to kill terrorists in foreign countries would create a precedent for other countries to kill suspected terrorists all over the world.
The American-born cleric and U.S. citizen who now resides in Yemen is thought to be high on the list of those targeted for killing by the United States.
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