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Friday (Jack Webb) and Smith (Ben Alexander) investigate reports of a TV repair racket, in which customers are charged for more than the work actually costs, and sometimes aren't even given the tubes and other parts that they've paid for. Going undercover with crusading newspaperman Jack Kennitt (Willis Bouchey), the detectives manage to catch one of these crooked TV technicians in the act. At one point, it is noted that the criminals explain away their confusing MO by telling customers "you wouldn't understand the technical talk" (do those words sound familiar to all you PC owners?) This episode is based on the Dragnet radio broadcast of August 9, 1951, which was prefaced with the information that the crime depicted was "not yet wide-spread"--but probably would be very soon!