DetectiveSomeone whose job is to discover information about crimes and find out who did them
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A person, particularly a police officer, who investigates crimes"Sherlock Holmes was a renowned detective in London."
ClueA fact or piece of information that helps you discover something or solve a problem.
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A piece of evidence or information used in the detection of a crime or solving of a mystery"Holmes found a vital clue at the crime scene that led to the perpetrator."
CrypticHaving a meaning that is mysterious or hard to understand
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Mysterious or obscure in meaning"The cryptic message left by the culprit was deciphered by Holmes."
DeductionThe process of reaching a decision or answer by thinking about the known facts, or the decision or answer that is reached
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A conclusion reached on the basis of evidence and reasoning"'It's elementary,' Holmes remarked, after making a particularly brilliant deduction."
DisguiseSomething that someone wears or does to look different or hide their true appearance
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A means of altering one's appearance or concealing one's identity"Sherlock used a clever disguise to infiltrate the enemy's hideout unnoticed."
Change the appearance or sound of (something or someone) so that they cannot be recognized"He disguised himself as a policeman to get past the guards."
AlibiProof that someone was not at the place where a crime happened and therefore could not have done it
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A claim or piece of evidence that one was elsewhere when a crime was committed"The murderer had a solid alibi, but Sherlock saw through the made-up story."
PerpetratorA person who carries out a harmful, illegal, or immoral act
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A person who commits an illegal or evil act"The case concluded with the arrest of the perpetrator."