David Judah Simon is an American author, journalist, and television writer and producer best known for his work on The Wire. He worked for the Baltimore Sun City Desk for twelve years and wrote Homicide: A Year on the Killing Streets and co-wrote The Corner: A Year in the Life of an Inner-City Neighborhood with Ed Burns. The former book was the basis for the NBC series Homicide: Life on the Street, on which Simon served as a writer and producer.