Pretty obvious Samy and Amy are probably involved in criminal stuff..
Obviously money laundering is a big part of it, but what do you think are the other areas of activity?
Drug trafficking, immigration smuggling?
A big big tipoff is when Amy wanted to fire the one waitress for asking "are you sure?" on an order and started screeching about calling the police, Samy almost busted a gasket -- he runs at her beseeching, "oh no no no oh no no no you cannot call the police."
The little light bulb went off in Samy's head -- he does not want the cops in there, in any way shape or form or reason about anything.
This is of course an OPINION, not being stated as a legal fact.
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4) You ever seen Superman $#$# his pants? Case closed.