Corrected entry: The British SIS stumbles upon the Jackal's assumed identity when they discover he applied for a passport under the name of a deceased individual. But when the Jackal was in the early stages of his preparation, he obtained Duggan's birth and death certificates, the latter of which he destroyed; there's no mention in any other chapter of another copy existing. And the Jackal is too much of a professional to make such an unprofessional, amateurish mistake like leaving such a copy for a police detective to find.
Cubs Fan
28th Jan 2013
Correction: No governmental agency will turn over the original copy of a birth or death certificate. What the Jackal obtained was, what we call in the US, a certified copy.