Complex sentence: He is best known for portraying Detective Jimmy McNulty in the HBO drama series "The Wire", and won the award for Leading Actor at the 2012 British Academy Television Awards for portraying serial killer Fred West in "Appropriate Adult".
Split into simpler sentences: He is best known for his role as Detective Jimmy McNulty in the HBO drama series "The Wire". West won the award for Leading Actor at the 2012 British Academy Television Awards for his role as serial killer Fred West in "Appropriate Adult".