article_snippet: A 20-year-old African-American man has been arrested and charged in connection with last week's shooting of two police .
article_snippet: If convicted of the crimes, A 20-year-old African-American man faces life in prison.
article_snippet: Attorney General Eric Holder said in a statement Sunday that the arrest 'sends a clear message that acts of violence against our law enforcement personnel will never be tolerated'.
article_snippet: Attorney General Eric Holder also praised 'significant cooperation between federal authorities and the St. Louis County Police Department.'