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In the newspaper series , Simon claims that Jackson used to be one of the trusted surrogates of Melvin Williams , a legendary Baltimore heroin dealer whose story influenced The Wire character Avon Barksdale .
 Simon, Jackson, Melvin Williams, Baltimore, Barksdale
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Simon, Jackson, Melvin Williams, Baltimore, Barksdale