Why was Moe Greene killed?

Could you elaborate on the motivations behind the tragic assassination of Moe Greene? What led to the fatal decision that ultimately claimed his life? Was it a personal vendetta, a business dispute, or perhaps a combination of both? What clues or evidence led investigators to their conclusions about the perpetrators and their reasons for carrying out such a heinous act? It's a mystery that has captivated the public for years, and we're eager to hear your insights into the intricate web of events that led to Moe Greene's untimely demise.