Спересказом на языке. one sunday evening a police sergeant and a constable knocked at the door of number 10 royal row. “mr. williams? ” said the sergeant. “we have reason to believe that there is stolen property in this house. we’d like to see your son, jim”. gary looked at the policeman suspiciously. “what’s he done? ” “the doorstep isn’t a good place to talk, isn’t it, sir? ” said the sergeant. “may we come inside? ” gary hesitated. then he said, “have you got a warrant? ” “as a matter of fact, we have, sir”, said the sergeant. he showed gary a document signed by the local magistrate who gave him the right to enter the williams’ house and search it. without this warrant the police could enter the house only if gary “invit- ed” them in. the sergeant and the constable followed gary into the sitting room. jim was there. jim looked at the policemen, then at his father. “you don’t have to say anything, son”, said gary. “but i’d like to know what you’ve been up to”. gary knew that the police could not use threats or force to make his son talk, and that they could not arrest him unless they had evidence that he had committed a crime. they could only “invite” him to go with them to the police station for questioning but they could not keep him there unless they could charge him with a crime.