United States Government Security Breaches - Timeline - 1990s

1990s

  • June 1990 - Ronald Hoffman was arrested for selling classified software that he developed for Science Applications International Corporation under a contract for the United States Air Force to foreign companies. He was convicted in 1992 of violations of the Arms Export Control Act and the Comprehensive Anti-Apartheid Act and was sentenced to 30 months in prison.
  • February 1991 - Charles Lee Francis Anzalone, a Corporal in the United States Marines, was arrested for attempted espionage after passing documents and a security badge to an FBI agent posing as a KGB intelligence officer. He was convicted in May and sentenced to 15 years in prison for this and other charges.
  • April 1991 - Jeffrey Carney was arrested for providing classified documents to the East German government between 1982 and 1984, while stationed in Berlin with the United States Air Force. He deserted and defected to East Germany in 1985. He pleaded guilty to espionage, conspiracy, and desertion and was sentenced to 38 years in prison, but was released after 11 years.
  • March 1991 - Albert T. Sombolay was arrested and admitted to providing military information regarding the Desert Shield deployment, military identification cards, and chemical weapons equipment to Jordan, while he was stationed in Germany. He was a naturalized U.S. citizen born in Zaire. He was sentenced to 34 years of hard labor.
  • May 1992 - Virginia Jean Baynes was convicted of passing Secret documents to the Philippines via Joseph Garfield Brown while she was a Secretary with the Central Intelligence Agency in Manila.
  • February 1993 - Frederick Christopher Hamilton pled guilty to passing Secret intelligence reports regarding Peru to Ecuador in 1991 while stationed in Peru with the Defense Intelligence Agency. He pled guilty to two counts of unlawfully communicating classified information to a foreign country and was sentenced to 37 months in prison.
  • August 1993 - Geneva Jones was indicted for theft of government property and transmission of defense information to unauthorized persons. While a secretary in with the State Department, she passed classified documents to a West African journalist friend Dominic Ntube, who then passed some of them to Liberian rebels. In 1994, she pled guilty to 21 counts of theft and 2 counts of unlawful communication of national defense information. She was sentenced to 37 months in prison.
  • May 1993 - Steven John Lalas was charged with passing sensitive military information to Greece between 1991 and 1993 while working for the State Department. He passed hundreds of highly classified documents between 1991 and 1993. He was of Greek descent, but was born in the United States. In June, he pleaded guilty to conspiracy to commit espionage and was sentenced to 14 years in prison.
  • February 1994 - Aldrich Hazen Ames was charged with providing highly classified information since 1985 to the Soviet Union and then Russia. The information he passed led to the execution of at least 9 United States agents in Russia. In April, he and his wife both pleaded guilty to conspiring to commit espionage and to tax evasion. He was sentenced to life in prison without parole on the espionage charges, and 63 months in prison on the tax evasion charges.
  • May 1995 - John Douglas Charlton was arrested and indicted for 10 counts of attempting to sell Secret United States Navy documents in 1993. He took the document from Lockheed Corporation before his retirement in 1989. In 1996, he pleaded guilty to 2 counts of attempted transfer of defense information. He was sentenced to two years in prison without parole followed by 5 years of probation.
  • May 1995 - Michael Stephen Schwartz was charged with 4 counts of espionage and 5 counts of taking classified material to his residence. He passed Secret NOFORN classified material to Saudi Arabia between 1992 and 1994, while stationed in Riyadh with the United States Navy. In October, he agreed to a plea bargain that gave him an other than honorable discharge.
  • February 1996 - Robert Lipka (rus) was charged with committing espionage while working in the United States Military at the National Security Agency from 1964 to 1967. He passed Top Secret information to the Soviet Union. In 1997, he pleaded guilty to espionage and was sentenced to 18 years in prison.
  • April 1996 - Kurt G. Lessenthien, a petty officer in the United States Navy was charged with attempted espionage for offering Top Secret submarine information to the Soviet Union. As part of a plea agreement, he was sentenced to 27 years in military prison.
  • August 1996 - Phillip Tyler Seldon pleaded guilty to passing Secret documents to El Salvador while a captain in the United States Army. He was sentenced to two years in prison.
  • September 1996 - Robert Chaegun Kim, a civilian at the Office of Naval Intelligence was charged with passing classified information to South Korea, his country of birth. In 1997, he pleaded guilty to conspiracy to commit espionage and was sentenced to 9 years in prison.
  • November 1996 - Harold James Nicholson was arrested while attempting to take Top Secret documents out of the country. He began spying for Russia in 1994. He was a senior-ranking Central Intelligence Agency officer. In 1997, he pleaded guilty and was sentenced to more than 23 years in prison.
  • December 1996 - Earl Edwin Pitts was charged with providing Top Secret documents to the Soviet Union and then Russia from 1987 until 1992. In 1997, he pleaded guilty to two counts of espionage and was sentenced to 27 years in prison.
  • December 1996 - Several days after John M. Deutch left the position of Director of Central Intelligence, classified information was found on an unclassified computer at his home. Further investigation showed that he knowingly processed classified information regarding covert actions, Top Secret Sensitive Compartmented Information and the National Reconnaissance Program on unclassified computers connected to the Internet at his homes and office. In 1999, Attorney General Janet Reno declined to prosecute him.
  • December 1997 - Peter H. Lee turned himself in and pleaded guilty to a felony count of passing national defense information for sharing classified information on hohlraums on a visit to the People's Republic of China while working for Los Alamos National Laboratory.
  • April 1998 - FBI arrested ex-CIA employee Douglas Frederick Groat on charges of espionage. After being fired from the Central Intelligence Agency, he allegedly gave classified information to foreign governments. He pled guilty to attempted extortion.
  • October 1998 - David Sheldon Boone was charged with selling Top Secret documents to the Soviet Union from 1988 to 1991, which he had access to, as a member of the United States Army working for the National Security Agency in Germany. He later pleaded guilty to conspiracy to commit espionage.
  • December 1999 - Wen Ho Lee is accused of espionage at Los Alamos National Laboratory. He later pleaded guilty to improper handling of Secret Restricted Data and was sentenced to time served.

Read more about this topic:  United States Government Security Breaches, Timeline

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