g over to Moscow a huge array of secrets, including the identities of three Russian agents who had been secretly recruited to spy for the United States. Two of the Russians were subsequently tried and executed; the third was imprisoned and later released. In return, F.B.I. officials said, the Russians paid Mr. Hanssen a total of $1.4 million. The money was paid in cash, often stacks of $100 bills, delivered in plastic trash bags to clandestine drop-off sites in suburban Virginia, the officials said. Other payments, they said, were made in untraceable diamonds and deposits into a bank account that the Russians told Mr. Hanssen that they had opened for him in Moscow. He was arrested early Sunday evening in a suburban Virginia park minutes after he had dropped off a bag of classified documents, officials said. A bag containing $50,000 was waiting for him in a hidden location at a nearby park, they said. The F.B.I. director, Louis J. Freeh, suggested today that Mr. Hanssen succeeded in eluding detection for as long as he did because he used his intimate knowledge of the F.B.I.'s counterintelligence techniques and spent hours at his office computer entering his name into classified F.B.I. databanks to determine whether he had fallen under suspicion. Mr. Hanssen was not suspected of espionage until late last year. In addition, officials said, Mr. Hanssen never told the Russians his real name, instead calling himself Ramon. They said he did not identify himself to the Russians as an F.B.I. agent and refused to meet face-to-face with his contacts. He would not travel outside the country to pass information and did not appear to live a lavish lifestyle. Although the F.B.I.'s internal security personnel have the ability to track each agent's use of F.B.I. computerized crime files, Mr. Hanssen's use of the databases was never questioned. Mr. Hanssen's arrest confronted the Federal Bureau of Investigation with a serious security lapse and one of it...
