In 1997, Duane Buck was convicted of shooting and killing two people, including his former girlfriend, in Houston, Texas. A jury sentenced him to death. Among the factors that influenced their decision: testimony from a psychologist who said that black people like Buck are more violent and dangerous than other people.
While convicted double murderer Duane Buck's guilt is not in question, his death penalty sentence is. So in a last-minute measure — Buck had already eaten his last meal — his execution was stayed, because during his sentencing hearing the prosecution had a psychologist testify that black people are more likely to commit crimes.