I will answer it but i need to see the rest of the essay to write a relevant question that will fit in your essay
Answer:
Casca is the first to strike, and, after each of the conspirators attack Caesar, Brutus is the last to stab him. The script of the play does not indicate any other order, except that all of the conspirators do stab him at least once.
Explanation:
Admittedly i'm not super educated on the concept of apartheid and i'm not familiar with this text but to me it looks like he would have done it because he thought the punishment would be lesser on himself if he owned up to it, but that's the best i've got. good luck!!