“(1) If any person for any purpose prejudicial to the safety or interests of the State – (a) approaches, inspects, passes over, or is in the neighbourhood of, or enters any prohibited place within the meaning of this Act; or (b) makes any sketch, plan, model, or note which is calculated to be or might be or is intended to be directly or indirectly useful to an enemy; or (c) obtains, collects, records or publishes or communicates to any other person any secret official code word, or password, or any sketch, plan, model, article, or note, or other document or information which is calculated to be or might be or is intended to be directly or indirectly useful to an enemy; he shall be guilty of a felony. (2) On a prosecution under this section, it shall not be necessary to show that the accused person was guilty of any particular act tending to show a purpose prejudicial to the safety or interests of the State, and, notwithstanding that no such act is proved against him, he may be convicted if, from the circumstances of the case, or his conduct, or his known character as proved, it appears that his purpose was a purpose prejudicial to the safety or interests of the State; and if any sketch, plan, model, article, note, document, or information relating to or used in any prohibited place within the meaning of this Act, or anything in such a place, or any secret official code word or pass word, is made, obtained, collected, recorded, published, or communicated by any person other than a person acting under lawful authority, it shall be deemed to have been made, obtained, collected, recorded, published, or communicated for a purpose prejudicial to the safety or interests of the State unless the contrary is proved.”
“(1) Subject to the following provisions of this part of this Act, if a person agrees with any other person or persons that a course of conduct shall be pursued which, if the agreement is carried out in accordance with their intentions, either – (a) Will necessarily amount to or involve the commission of any offence or offences by one or more of the parties to the agreement, or (b) Would do so but for the existence of facts which render the commission of the offence or any of the offences impossible, he is guilty of conspiracy to commit the offence or offences in question. (2) Where liability for any offence may be incurred without knowledge on the part of the person committing it of any particular fact or circumstance necessary for the commission of the offence, a person shall nevertheless not be guilty of conspiracy to commit that offence by virtue of subsection (1) above unless he and at least one other party to the agreement intend or know that that fact or circumstance shall or will exist at the time when the conduct constituting the offence is to take place.”
“27. Chandler establishes that it is then necessary to prove that any purpose for which the act of obtaining etc or communicating such material was done was prejudicial to the safety or interests of the State. It might be an immediate purpose or a longer term purpose, direct or indirect. It could be any one of a number of purposes, but the prosecution must prove that the conduct I have identified, in one possible instance of the substantive offence accompanied by a specific intention that the material be useful to an enemy, was carried out for a purpose which was prejudicial to the safety or interests of the State. It does not matter whether a defendant intended to prejudice the safety or interests of the State or not. All that needs to be established is that from an objective standpoint, one purpose for which the obtaining etc of such material was done was prejudicial to the safety or interests of the State.”
“35. Without myself trying to be comprehensive, but within the ambit of the present case, it seems to me that any State which presently poses an active threat to the UK’s national security can properly be described as “an enemy” in ordinary language. It will be for the jury to determine whether the test is met on such evidence as is called. …”
“It is not disputed that their immediate purpose was to immobilise the airfield or that that purpose, if nothing more is looked at, was prejudicial to the safety and interests of the State. But they say that their true purpose was to ban the use by this country of nuclear weapons, and that such a ban would in the long term be beneficial, and not prejudicial to the State. The chief ground of this appeal is against the ruling of Havers J at the trial, refusing to allow the appellants to adduce evidence and argument in support of this wider purpose.”
“When the statute uses the word “enemy” it does not mean necessarily some one with whom this country is at war, but a potential enemy with whom we might some day be at war.”