(NBC News) – Tonight on “Dateline,” the latest in a bizarre story about a surgeon dubbed “The Runaway Doctor.” Dr. Mark Weinberger vanished while he and his wife Michelle were vacationing in the Greek Isles, leaving behind financial ruin and a growing number of malpractice suits from patients in the U.S.

The question of his whereabouts remains unanswered for five years until a woman halfway across the world discovers the truth. Friday’s two-hour broadcast will reveal the latest in the decades-long story of massive greed and betrayal. Where he is today might shock you.

Here’s a preview of Rob Stafford’s report:

How far would you go for the truth? Especially, when it could solve the mystery around someone you love?

MICHELLE: I began to tape together the shredded documents until I could see the name of a hotel in Paris, I go to Paris, I do. And, looking at that point, just for the reason why.

Why. Why it happened to her, to them, to those they loved. The lives destroyed.

VALERIE THOMAS: I was angry, I’m still angry, I just wanted justice for my daughter. The fact that he did that to a child.

ROB: How did you get through it?

PEGGY: Somebody had to fight for Phyllis.

It’s a story two decades in the making, of massive greed and betrayal. A tale, as tall as a mountain, as cold as a jail cell. That has taken one more bizarre turn.

ROB: What do you think looking at that?

PEGGY: I guess the unfairness in the world.

VALERIE: From losing cars, almost losing my house, just to see that picture is hard.

SHAWN: That’s horrifying. Like it’s straight-up horrifying.

You can watch “Dateline: A Wanted Man” tonight at 9 p.m. on NBC4.

About ‘Dateline’

“Dateline NBC” is the longest-running series in NBC primetime history and is in its 32nd season. Dateline is anchored by Lester Holt and features correspondents Andrea Canning, Josh Mankiewicz, Keith Morrison and Dennis Murphy.

The stories range from compelling mysteries to powerful documentaries and in-depth investigations. When major news breaks, they go to the scene, putting the pieces together to bring the viewer the full picture. And in every story they tell, they help the real people who lived the events share their journeys with the viewer.