At the funeral. And he does deliver them at the funeral, but does not realize that the people are not in the mood for rationality at that point.
He did not accuse Brutus of anything directly, but made his action in assassinating Caesar look so bad, that he didn't need to accuse him of anything.
Brutus's use of logos is exemplified in his speech to the Roman people, where he logically explains his reasons for assassinating Caesar based on the threat to the republic and his duty as a patriot. This rational argument appeals to the audience's reasoning and logic to justify his actions.
Brutus was Caesar's protege.
The reasons for Caesar's death
Ultimately, Caesar was assassinated and Brutus committed suicide.Ultimately, Caesar was assassinated and Brutus committed suicide.Ultimately, Caesar was assassinated and Brutus committed suicide.Ultimately, Caesar was assassinated and Brutus committed suicide.Ultimately, Caesar was assassinated and Brutus committed suicide.Ultimately, Caesar was assassinated and Brutus committed suicide.Ultimately, Caesar was assassinated and Brutus committed suicide.Ultimately, Caesar was assassinated and Brutus committed suicide.Ultimately, Caesar was assassinated and Brutus committed suicide.
Brutus joins the conspiracy for purely altruistic reasons. He believes that Caesar is a danger to the Roman state, as the powers and status he is acquiring make him into a king in all but name. Brutus likes Caesar personally, but doesn't like the way he is taking over the government.
Brutus, because his reasons for killing Caesar were much more noble than Cassius's.
The reasons for Caesar's death
(Apex) Brutus reasons that killing Caesar was the sensible move.
To explain the reasons for Caesar's death
Brutus was a protégé of Caesar, and was considered to be one of his closest friends. That is why Caesar said "Et tu, Brute?" (What? You too, Brutus??) when Brutus stabbed him, and why Antony calls Brutus Caesar's angel.
Brutus does kill Caesar.