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In 1966, after being subpoenaed to testify in a federal investigation, Columbo’s refusal to comply with the code of silence unveiled his vulnerabilities. Instead of maintaining discretion typical of Mafia leaders, he devised a curious plan to present himself as an "ordinary Joe" by holding a legitimate job while continuing his criminal enterprises under the guise of legality. His extravagant lifestyle began to contradict the narrative of an honest businessman, raising red flags for the FBI.