U.S. spies monitored domestic callers  
      By James Risen and Eric Lichtblau The New York Times

      WEDNESDAY, DECEMBER 21, 2005
     


     

      WASHINGTON A surveillance program approved by President George W. Bush to 
conduct eavesdropping without court warrants has captured what are purely 
domestic communications in some cases, despite a requirement by the White House 
that one end of the intercepted conversations take place on foreign soil, 
officials say. 

      The officials say the interception by the National Security Agency, or 
NSA, of a small number of communications between people within the United 
States was apparently accidental and was caused by technical glitches at the 
agency in determining whether a communication was in fact "international." 

      Telecommunications experts say the issue brings up troubling logistical 
questions about the program. 

      At a time when communications networks are increasingly globalized, it is 
sometimes difficult even for the NSA to determine whether someone is inside or 
outside the United States when making a cellular phone call or sending an 
e-mail message. As a result, people that the NSA may think are outside the 
United States can actually be on U.S. soil. 

      Eavesdropping on communications between two people who are both inside 
the United States is prohibited under Bush's order allowing some domestic 
surveillance. 

      But in at least one instance, someone using an international cellphone 
was mistakenly thought to be outside the United States when in fact both people 
in the conversation were in the country. Officials, who spoke on condition of 
anonymity because the program remains classified, would not discuss the number 
of accidental intercepts, but the total is thought to represent a very small 
fraction of the total number of wiretaps that Bush has authorized without 
getting warrants. 

      In all, officials say the program has been used to eavesdrop on as many 
as 500 people at any one time, with the total number of people reaching perhaps 
into the thousands in the past three years. 

      Bush and his senior aides have stressed since the disclosure of the 
program's existence last week that the president's executive order applied only 
to cases where one party on a call or e-mail message was outside the United 
States. 

      General Michael Hayden, the former NSA director who is now the 
second-ranking intelligence official in the country, was asked at a White House 
briefing this week whether there had been any "purely domestic" intercepts 
under the program. 

      "The authorization given to NSA by the president requires that one end of 
these communications has to be outside the United States," Hayden answered. "I 
can assure you, by the physics of the intercept, by how we actually conduct our 
activities, that one end of these communications are always outside the United 
States." 

      Attorney General Alberto Gonzales also stressed that the order only 
applied to international communications. "People are running around saying that 
the United States is somehow spying on American citizens calling their 
neighbors," he said. "Very, very important to understand that one party to the 
communication has to be outside the United States." 

      A spokeswoman for the office of national intelligence declined comment on 
whether the NSA has intercepted any purely domestic communications. "We'll 
stand by what General Hayden said in his statement," said the spokeswoman, Judy 
Emmel. 

      The Bush administration has not released the guidelines that the NSA uses 
in determining who is suspected of having links to al Qaeda and may be targeted 
under the program. Hayden said the determination was made by operational people 
at the agency and "must be signed off by a shift supervisor," with the process 
closely scrutinized by officials at the agency, the Justice Department and 
elsewhere. 

      But questions about the legal and operational oversight of the program 
last year prompted the administration to suspend aspects of it temporarily and 
put in place tighter restrictions on the procedures used to target suspects, 
said people with knowledge of the program. 

      The judge who oversees the secret court that authorizes intelligence 
warrants - and which has been largely bypassed by the program - also raised 
concerns about aspects of the program. 

      The concerns led to a secret audit, which did not reveal any abuses in 
the targeting of suspects or instances in which purely domestic communications 
were monitored, said officials familiar with the classified findings. 

      National security and telecommunications experts said that even if the 
NSA seeks to adhere closely to the rules that Bush has set, the logistics of 
the program may make it difficult to ensure that the rules are being followed. 

      With roaming cellphones, internationally routed e-mails, and voice-over 
Internet technology, "it's often tough to find out where a call started and 
ended," said Robert Morris, a former senior scientist at the NSA who is now 
retired. "The NSA is good at it, but it's difficult even for them. Where a call 
actually came from is often a mystery." 

     
         


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