Jurisdiction — Executive — Consequences of illegal arrest — Defendant detained in foreign country and returned to England — No attempt at extradition — Whether deportation from foreign country a disguised form of extradition — Whether circumstances of defendant’s return to England deprives English courts of jurisdiction — Whether courts possess discretion not to hear charges against defendant

Extradition — Conditions — Return of fugitive offender other than by extradition — Disguised extradition — The law of England