Classified documents missing for 30 years found in Colorado Classified documents missing for 30 years found in Colorado 02:20 Items belonging to an Englishman credited with cracking encrypted Nazi communications during World War II and who later earned accolades as one of the founding fathers of computer science were discovered in the possession of a Colorado woman in 2018, nearly four decades after they went missing. In late August, Denver-based federal investigators flew across the Atlantic to return those items — which were enthusiastically received. "We thought probably that was the last we were ever going to see of them,"...