6WRITING IN INVISIBLE INK
In the fall of 2012, the crime drama Elementary debuted on the CBS television network. A reimagining of the Sherlock Holmes mythos set in 21st-century New York, it starred Jonny Lee Miller as Holmes and Lucy Liu as his sidekick, Dr. Joan Watson. In a 2016 episode (“You’ve Got Me, Who’s Got You?”), Morland Holmes, Sherlock’s estranged father, hires Joan to find a mole in his organization. She quickly solves the case by discovering a Vigenère cipher in an email. But some fans of the show were dissatisfied: the Vigenère cipher is hardly subtle, so how could a man as intelligent as Morland Holmes miss finding it on his own? ...
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