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In the novel Joshua 's Hammer , for example , written in 2000 , Hagberg gives a chilling account of a mega-terrorist plot by Osama bin Laden to kill thousands of Americans on their home soil , published a full year before the World Trade Center Attacks .
 Hagberg, Osama bin Laden
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hagberg, Osama bin Laden