William Shakespeare? play, The Tragedy of Julius Caesar, is mainly based on the assassination of Julius Caesar. The character who was in charge of the assassination was, ironically, Marcus Brutus, a servant and close friend to Julius Caesar. But what would cause a person to kill a close friend? After examining Brutus?relationship to Caesar, his involvement in the conspiracy, and his importance to the plot, the truth can be revealed. Marcus Brutus, a servant and close friend to Caesar, has a strong relationship with Caesar but a stronger relat ....