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name: John   Hagan
about: John L. Hagan (born 1946) is an American sociologist focusing on criminology.https://en.wikipedia.org/wiki/John_L....Also publishes as John L. Hagan John L. Hagan (born 1946) is an American sociologist focusing on criminology.https://en.wikipedia.org/wiki/John_L....Also publishes as John L. Hagan ...more