Matthews v. United States

explaining that where "prosecutorial overreaching” is present the interests protected by the Double Jeopardy Clause outweigh society's interest in conducting a second trial ending in acquittal or conviction | certified documents from Missouri Department of Revenue showing ownership of automobile admissible as public record | reasonable possibility that error materially affected the verdict | "affecting outcome" test synonymous with harmless error standard | “affecting outcome” test synonymous with harmless error standard