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      "id": 419897,
      "date": "2013-04-19",
      "retrieved": "2016-04-06T23:30:03.275955",
      "title": "Ricin: Technical Background and Potential Role in Terrorism",
      "summary": "In April 2013, envelopes sent to President Obama and a U.S. Senator tested positive for ricin, a deadly toxin derived from castor beans. Ricin has been identified as a potential bioweapon. Ricin is extremely toxic by ingestion, inhalation, and injection. No treatment or prophylaxis currently exists, though research into new therapies and vaccines against ricin exposure continues. Additionally, research to improve ricin detection is ongoing. Although governments have investigated ricin\u2019s potential use as a military weapon, individuals have used ricin in small quantities. Most experts believe that ricin would be difficult to use as a weapon of mass destruction, but do not discount its potential as a weapon of terror. Ricin is a select agent, and its possession, transfer, or use is regulated under domestic and international law. This report will not be updated.",
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    {
      "source": "University of North Texas Libraries Government Documents Department",
      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metadc463282/",
      "id": "RS21383_2013Apr18",
      "date": "2013-04-18",
      "retrieved": "2014-12-05T09:57:41",
      "title": "Ricin: Technical Background and Potential Role in Terrorism",
      "summary": "This report provides general information about ricin, identifies historical examples of its use, discusses its potential as a bioterror weapon, and summarizes how its possession is currently regulated.",
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      "topics": [
        {
          "source": "LIV",
          "id": "Weapons systems",
          "name": "Weapons systems"
        },
        {
          "source": "LIV",
          "id": "Terrorism",
          "name": "Terrorism"
        },
        {
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          "name": "Biological weapons"
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    {
      "source": "University of North Texas Libraries Government Documents Department",
      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metadc818488/",
      "id": "RS21383_2013Apr17",
      "date": "2013-04-17",
      "retrieved": "2016-03-19T13:57:26",
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      "source": "University of North Texas Libraries Government Documents Department",
      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metadc491085/",
      "id": "RS21383_2010Dec21",
      "date": "2010-12-21",
      "retrieved": "2015-01-27T19:40:46",
      "title": "Ricin: Technical Background and Potential Role in Terrorism",
      "summary": "This report describes what ricin is, how it is made, its effects, examples of its use, its potential for use as a bioterror weapon, and how its possession is currently regulated.",
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    {
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      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metadc815542/",
      "id": "RS21383_2005Dec20",
      "date": "2005-12-20",
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    {
      "source": "University of North Texas Libraries Government Documents Department",
      "sourceLink": "https://digital.library.unt.edu/ark:/67531/metacrs6108/",
      "id": "RS21383 2004-02-04",
      "date": "2004-02-04",
      "retrieved": "2005-06-12T18:33:20",
      "title": "Ricin: Technical Background and Potential Role in Terrorism",
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          "id": "Weapons systems",
          "name": "Weapons systems"
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        {
          "source": "LIV",
          "id": "Terrorism",
          "name": "Terrorism"
        },
        {
          "source": "LIV",
          "id": "Biological weapons",
          "name": "Biological weapons"
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        {
          "source": "LIV",
          "id": "Criminal justice",
          "name": "Criminal justice"
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        {
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  "topics": [
    "Intelligence and National Security",
    "National Defense"
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}