Mafia 19. Trojan War.

HoM[M]ie, doesn't the fact that Cash was Diomedes and was killed by a priest of Ares seem like a strange version to you?

What's so strange about that? The assassination attempt on Tor in the temple of Ares and the murder of Cash were committed by the same person - a maniac. When he killed Cash, the latter saw a bandaged arm, which was wounded in the assassination attempt the previous night. And the fact that Cash was Diomedes is quite explainable:

Yes, the one who was killed turned out to be Diomedes
Chapter VII. Broken Armor.
Diomedes is the king of Argos, son of Tydeus and Deiphile, a commander of the Achaeans.
Hephaestus's armor: 50% chance not to die from defense or attack.

Looking at your version that Cash was a priest, it seems that you stubbornly don't see the obvious. And I've already said that you're hiding something)