AN INNOCENT LETTER:
TRANSMITTING MESSAGES BY OTHER MEANS
This waiting business can be a little tedious but very much part of the task of investigation, we are right now are still waiting for further information that may or may not provide some vital links.
In the meantime here is yet another method of 'Clandestine Communications', the concealment of a message in what could be at first glance a totally innocent letter. It actually hides another code which is exactly what was found on the code page, a hidden code within the letters found on the code page. That method was known as 'INK H' which was, as is the Innocent Letter found in a WW2 SOE Manual.
I find the lateral thinking skills of these intelligence agents and the people who developed these various methods to be fascinating, to say the least. There is literally nothing that couldn't be used in Tradecraft of the day.
In the meantime here is yet another method of 'Clandestine Communications', the concealment of a message in what could be at first glance a totally innocent letter. It actually hides another code which is exactly what was found on the code page, a hidden code within the letters found on the code page. That method was known as 'INK H' which was, as is the Innocent Letter found in a WW2 SOE Manual.
I find the lateral thinking skills of these intelligence agents and the people who developed these various methods to be fascinating, to say the least. There is literally nothing that couldn't be used in Tradecraft of the day.
THE INNOCENT LETTER TECHNIQUE
In the next post, we'll look at the vast array of 'Secret Inks' that is, various liquids that can, were and probably still are used to conceal messages and commonly, instructions.