Fredo says, "anyone I know in Havana"? - Michael clearly see's his reaction = liar

Fredo says "Mikey I was mad at you"... then stops talking... I think Mike sense's something... then lets it go...

Fredo upon meeting Johnny Ola in front Michael - Fredo's awkward reaction/greet...

Michael has a inkling at these points...

"What I want.... whats most important to me... is that I have a guarantee" - Train approaches.... Bang! Bang! Bang!