41.   Burris and Goodman said they would raise questions about contamination of blood found at the scene and in the Bronco to challenge the scientific credibility of prosecution witnesses.

42.   But a prosecution witness, Dr. Alison Fife, said the mutilation appeared to have been staged.

43.   But Arnold, like other prosecution witnesses, may lack credibility with the jury.

44.   But DeGuerin said his client essentially has been set up by a convicted drug smuggler, who likely will be the main prosecution witness.

45.   But he was the prosecution witness, and he was not inclined to admit such errors.

46.   But in an interview after the trial, a juror said that the jury considered the prosecution witnesses to be credible.

47.   But prosecution witnesses testified that the students were all unarmed and that the attacked was unprovoked.

48.   But Ruiz Pelayo and another key prosecution witness mysteriously refused to testify just before the trial, leaving the allegations unexplored in court.

49.   But most of the day was spent listening to Hugo, who painstakingly recounted the evidence and criticized the two key prosecution witnesses as totally unreliable.

50.   But the trial was postponed because a prosecution witness was unavailable.