Complex sentence: At the trial it is clear Doob is guilty, but because the defense was promised, but did not receive, a sample of the DNA to perform their own tests, the judge (Armin Shimerman) dismisses the case.
Split into simpler sentences: At the trial it is clear Doob is guilty, but because the defense was promised a sample of the DNA to perform their own tests. As they did not receive it, the judge (Armin Shimerman) dismisses the case.