Derek Chauvin Won't Testify In Trial

The transcript covers the trial of a former officer charged with murder and manslaughter in George Floyd's death. The officer decides to invoke the Fifth Amendment, and the judge instructs the jury not to infer guilt from this decision. The defense rests its case, while the prosecution calls a rebuttal witness to counter claims about carbon monoxide's role in Floyd's death. The judge allows the witness but restricts new evidence on carbon monoxide levels, which were reportedly normal.

What role did the defense suggest carbon monoxide might have played in Floyd's death?

What was the judge's ruling regarding new evidence on Floyd's carbon monoxide levels?