Conversation so far:
What did David Simon do in journalism?
Upon leaving college, David Simon worked as a police reporter at The Baltimore Sun from 1982 to 1995. He spent most of his career covering the crime beat.
Did David Simon cover any major stories?
Did David Simon have any troubles during his time at The Baltimore Sun?
David Simon was a union captain when the writing staff went on strike in 1987 over benefit cuts. He remained angry after the strike ended.
Who else did David Simon work with besides The Baltimore Sun?
David Simon collaborated with his old college friend David Mills to write the episode Bop Gun.
Are there any other interesting aspects about this article other than David Simon's career in journalism?
In an interview in Reason in 2004, David Simon said that since leaving the newspaper business he has become more cynical about the power of journalism.

Question: What caused him to be cynical?
Self-contained rewrite: What caused David Simon to be cynical about the power of journalism?