Complex sentence: But as Ellen was drawn into the cunning world of high-stakes litigation, David was also put in the ring of fire, and was murdered while in possession of a videotape that would ruin Arthur Frobisher's life.
Split into simpler sentences: But as Ellen was drawn into the cunning world of high-stakes litigation, David was also put in the ring of fire. He was murdered while in possession of a videotape that would ruin Arthur Frobisher's life.