Complex sentence: Raybourne realizes he is being hunted when the Brigades shoot his boss Pierre Bernier dead at the newspaper office, moments before Raybourne himself arrives; he then attempts to escape with Alison King, with the aid of his romantic connection, Lia.
Split into simpler sentences: Raybourne realizes he is being hunted when the Brigades shoot his boss Pierre Bernier dead at the newspaper office, moments before Raybourne himself arrives. He then attempts to escape with Alison King with the aid of his romantic connection, Lia.