Complex sentence: Miller returned to anchoring duties for the evening newscasts in March 1995, continuing until dying unexpectedly of a heart attack on April 8,2009, while visiting The Masters golf tournament in his hometown of Augusta, Georgia.
Split into simpler sentences: Miller returned to anchoring duties for the evening newscasts in March 1995, continuing until his death. Miller died unexpectedly of a heart attack on April 8,2009, while visiting The Masters golf tournament in his hometown of Augusta, Georgia.