Sheridan drives an unmarked police vehicle with regular Texas plates. In reality, the car would have "Exempt" license plates identifying it as a government vehicle.
When Ray brings young Adriana into the bedroom of the house, Manuelo can be heard locking, what seems to be, numerous deadbolts outside of the room. When the door is opened to see if they are done, you don't see any locks on the door.
When Jorge calls his mother on the rotary phone he only 'dials' 4 numbers.