Grady v. Corbin, 495 U.S. 508 (1990), was a United States Supreme Court decision holding that: "the Double Jeopardy Clause bars a subsequent prosecution if, to establish an essential element of an offense charged in that prosecution, the government will prove conduct that constitutes an offense for which the defendant has already been prosecuted.

"[1] In the fall of 1987, Thomas Corbin was driving under the influence as he drove his automobile across the center line of a New York highway and collided with two oncoming vehicles.

Brenda Dirago, the driver of the second vehicle, died in this accident while her husband was seriously injured.

In an opinion by Justice Brennan, the Supreme Court ruled that to subsequently try him for homicide would constitute double jeopardy.

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