4 Days To Extraction

On Friday you're being extracted. Can you find out what Dr. Jones knows before then? 4 Days To Extraction is set over five days, April 1st to April 5th 1957 and takes place in Chicago. I've always found the use of newspapers and cyphers one of the most fascinating parts of Cold War espionage.  As such, The Chicago Daily Defender features quite heavily. So do cyphers. Pen and paper (or digital equ…