Complex sentence: Feeling that she had nothing left to live for, Heather sells the right to kill her to a man who has fantasized about killing women and uses the money to set up a trust fund for Allison.
Split into simpler sentences: Feeling that she had nothing left to live for, Heather sells the right to kill her to a man who has fantasized about killing women. She uses the money to set up a trust fund for Allison.