The death of another woman close to Peterson from 17 years earlier sparks a new investigation. She also died on a staircase, casting major doubts over the defense case.

As the trial looms and media attention heats up, an autopsy report's wording ruffles the feathers of the defense team.

The prosecution presents its case while the defense strives to cast a reasonable doubt within the minds of the jury.

A witness brings surprising levity to the stand. The judge rules on an important matter, and Michael's alleged temper comes under scrutiny.

Kathleen's sisters pore over Michael's writings. Jurors visit the staircase at Michael's home. A vital piece of evidence reappears.

Is Michael Peterson guilty or not guilty? The jury delivers its verdict regarding the mysterious death of his wife, Kathleen.

Eight years later, the possibility that a key witness for the prosecution may have misled the jury could prompt the need for a new trial.

After more experts testify about the questionable conclusions and claims of Duane Deaver, the judge rules on whether a new trial is necessary.

Following two and a half years of house arrest, Michael must decide whether to push for a plea or risk his freedom with a new trial.

Their faith in the justice system forever shaken, Michael and his family discuss what they can hope to achieve by continuing the fight.

Michael speaks to a reporter about the reasons behind his plea. Later, Kathleen's sister delivers a statement of defiance in court.