Both of these lines are references to the movie Casino.
One scene shows one of Nicky Santoro’s henchmen (Dominick) spitting on a free sandwich given to police officers at his restaurant.
In the opening scene of the movie, in an attempt to kill Sam Rothstein, they blow up his car with him in it. The model of car which Sam is driving has a steel plate under the driver’s seat, which saves his life.
He’s paranoid the police are behind him or following him wherever he goes.
If you’re carrying something you shouldn’t be make sure you are completely out of sight of the police before dumping or stashing it. The police are trained to watch you in their mirrors after they pass you in a patrol car.
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