I for one did not actually expect to find the Tower of London infiltrated by anyone, however benevolent; the notion seemed far-fetched.
While some of his tools are a little far-fetched, many are actual tools of the trade.
Although it may seem a bit far-fetched that a concealer product can possibly hide your tattoo, do remember that celebrities and models have been using these types of formulas for red-carpet occasions and photo ops.
But arbitrary cases of the kind just noticed are due either to an obviously far-fetched interpretation or to the endeavour to find some authoritative support for teaching which it was, desired to inculcate.
But this is decidedly far-fetched; du Junca would naturally refer specially to Pignerol, the fortress with which Saint-Mars had been originally and particularly associated.