Character mistake: When they've worked out that the kidnappers were changing flood maps, Harlan says he "doesn't get why anyone would mess with flood maps in the first place." Looking at the maps it's blatantly obvious that the reworked flood zone excludes a chunk of land, and given property prices in New York it doesn't take a genius to figure it's at least connected to real estate, insurance, etc. Harlan is demonstrably a genius, and could certainly have figured that out for himself.
Elementary (2012)
1 mistake in season 6
Starring: Lucy Liu, Aidan Quinn, Jonny Lee Miller, Jon Michael Hill
Sherlock Holmes: If you eliminate the impossible, whatever remains, however improbable, is the truth.
More trivia for Elementary
More questions & answers from Elementary
Chosen answer: M broke into the brownstone and left a note. Holmes deduced he was staying at a high-class hotel from the soap scent on the note, and gave a picture from a hidden camera to his "irregulars" on the street to stake out hotels. One of them saw him, so Holmes followed him to his next intended victim and knocked him unconscious with a baton.
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