The “Garrity Rule” — adapted from the 1967 Supreme Court ruling Garrity v. New Jersey, which involved a ticket-fixing scandal — triggers an enhancement of the right against self-incrimination that only the government’s armed enforcers enjoy: Any statements made after the magical Garrity incantation is uttered can only be used for the purpose of a departmental investigation, not for criminal prosecution. [More]William N. Grigg tells us of another legal perk reserved exclusively for the "Only Ones."
[Via Richard B]