The Question and Answer section for Chronicle of a Death Foretold is a great resource to ask questions, find answers, and discuss the novel.
Santiago, Divina, Victoria, Clotilde, Margot, Luisa, and the murderers are all forewarned about Santiago's death. The fact that we know Santiago will die doesn't matter, as we spend our time waiting for the inevitable..... not to happen.
The Vicario brothers kill Santiago.
Santiago's comprehension or lack thereof to his impending death.
So the murdered man's refusal to worry could have been suicide. Besides, when he finally learned at the last moment that
the Vicario brothers were waiting for him to kill him, his...