At the superman club, just before Fredo's slipup that he was the traitor, the woman in the orange dress with Geary, keeps lifting the glass trying to get Fredo to drink more alcohol and he takes a sip
When he screams he was stepped over, in the boathouse outburst his right hand is like a piston like he was beating his chest
Orange dress! she is a dead woman
Roth's speech about Moe Greene to stoic Michael - Ola is looking smug that Michael has no idea Pentangeli is alive