Elizabeth Vargas

At the end of his three-week trial, the jury doesn't even need to sleep on it. We, the jury, find the defendant guilty of first-degree murder. Jens is convicted and sentenced to life in prison. He has spent nearly every day since fighting to free himself. And now he may be closer than ever.

At the end of his three-week trial, the jury doesn't even need to sleep on it. We, the jury, find the defendant guilty of first-degree murder. Jens is convicted and sentenced to life in prison. He has spent nearly every day since fighting to free himself. And now he may be closer than ever.

Still ahead, in pursuit of truth and justice, what 21st century DNA might reveal. Stay with us.

Still ahead, in pursuit of truth and justice, what 21st century DNA might reveal. Stay with us.

July 2017, not long after the 27th anniversary of Yen Tzu-Ring's conviction.

July 2017, not long after the 27th anniversary of Yen Tzu-Ring's conviction.

An unlikely team of volunteers erring supporters meets in Richmond to review what they believe is important new information.

An unlikely team of volunteers erring supporters meets in Richmond to review what they believe is important new information.

Chip Harding is a sheriff in Albemarle County, Virginia, moonlighting on the case, along with private investigator Richard Hudson. And then there's Jason Flom, the multimillionaire music executive, who, when he's not discovering multi-platinum artists, is giving a voice to the wrongfully convicted through the Innocence Project.

Chip Harding is a sheriff in Albemarle County, Virginia, moonlighting on the case, along with private investigator Richard Hudson. And then there's Jason Flom, the multimillionaire music executive, who, when he's not discovering multi-platinum artists, is giving a voice to the wrongfully convicted through the Innocence Project.

But the battle lines are drawn because in Bedford County, the original investigator, Ricky Gardner, continues to believe Zuring is guilty.

But the battle lines are drawn because in Bedford County, the original investigator, Ricky Gardner, continues to believe Zuring is guilty.

What is the physical evidence connecting Jens to this murder scene?

What is the physical evidence connecting Jens to this murder scene?

Police originally said that sock print roughly corresponded to a woman's size 7 foot, too small for Jens Ziering's size 8 1⁄2. They also point to mistakes Jens made when he confessed. He told police Nancy Hasem was wearing blue jeans. She was not. She was dressed in a housecoat.

Police originally said that sock print roughly corresponded to a woman's size 7 foot, too small for Jens Ziering's size 8 1⁄2. They also point to mistakes Jens made when he confessed. He told police Nancy Hasem was wearing blue jeans. She was not. She was dressed in a housecoat.

In a petition for a pardon, Yen says long after the trial, he learned a significant piece of evidence had not been shared with his defense attorneys, an analysis of the crime by an FBI profiler. The FBI profiler was convinced of two things, that whoever killed Mr. and Mrs. Hasem was intimate with the family and was a woman.

In a petition for a pardon, Yen says long after the trial, he learned a significant piece of evidence had not been shared with his defense attorneys, an analysis of the crime by an FBI profiler. The FBI profiler was convinced of two things, that whoever killed Mr. and Mrs. Hasem was intimate with the family and was a woman.

The profiler says he was also struck by Nancy Hasem's outfit, that house coat. She would never receive strangers wearing a nightgown and her bathrobe. Exactly. Another thing, remember, Elizabeth and Jens' rental car had no trace of blood, even though there was a trail of bloody footprints leading towards the driveway. Which begs the question, there must have been another car.

The profiler says he was also struck by Nancy Hasem's outfit, that house coat. She would never receive strangers wearing a nightgown and her bathrobe. Exactly. Another thing, remember, Elizabeth and Jens' rental car had no trace of blood, even though there was a trail of bloody footprints leading towards the driveway. Which begs the question, there must have been another car.