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The Fruits of the Poisonous Tree Doctrine holds that any evidence obtained as a result of an illegal search or seizure is inadmissible in court. This principle emphasizes that if the initial evidence was acquired through unlawful means—such as a violation of a person's constitutional rights—any further evidence derived from that initial evidence is also tainted and cannot be used in legal proceedings. This doctrine is designed to discourage law enforcement from engaging in illegal practices by ensuring that evidence obtained from such actions cannot contribute to a conviction. Consequently, it reinforces the importance of lawful police conduct and the protection of individual rights within the legal system.