DetectiveA police officer who examines crimes by collecting and analyzing evidence
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A person, particularly a police officer, whose job is to investigate and solve crimes."He became a detective to solve complex problems."
MurderThe unlawful and intentional killing of a human being by another
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The crime of intentionally killing a person."He was convicted of murder."
To kill a person or animal intentionally and unlawfully."He was accused of attempting to murder his ex-wife."
ClueA piece of information or evidence used in the detection of a crime or solving of a mystery
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A piece of information that helps to solve a problem or unravel a mystery."The detective found a crucial clue at the crime scene."
ConspiracyA secret plan by a group of people to do something harmful or unlawful
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A secret plan by a group to do something illegal or harmful."The police uncovered a conspiracy to overthrow the government."
InterrogateTo formally question a person in order to gain information
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To ask someone a lot of questions for a long time in order to get information, sometimes using threats or violence."The police interrogated the suspect for several hours."
AlibiAn explanation given by a person accused of a crime to show that they could not have done it
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Proof that someone who is thought to have committed a crime could not have done it, especially the fact or statement that they were in another place at the time it happened."He has a strong alibi for the night of the murder."
WitnessA person who sees an event, typically a crime or accident, take place
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Someone who sees an event happening."Did you witness the accident?"
To see an event happening"He witnessed a violent crime."
InvestigationThe process of inquiring, examining or studying to gain knowledge or information
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The process of examining a crime, problem, statement, etc. carefully, especially to discover the truth"The staff are under investigation for fraud."
SuspectA person thought to be guilty of a crime or offense, not yet proven but suspected
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The person who is believed to have committed a crime"The police have not yet identified a suspect in the murder case."
To think or believe something to be true or probable"I suspect she is telling a lie."
EvidenceThe facts, information, or signs that can prove something or show that it is true
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Anything that helps to prove that something is or is not true"There is no clear evidence to suggest that the fire was started deliberately."