FAYETTEVILLE, N.C. -- Inside the county courthouse in Fayetteville, Judge Lou Olivera made headlines with an unusual decision.

A few years ago, Joe Serna was arrested for drunk driving. As part of his probation, he wasn't allowed to drink. So when he lied about a recent urine test, the judge felt he had no choice.

Judge Lou Olivera CBS News

"I gave Joe a night in jail because he had to be held accountable," he said.

It was just one night -- but as he entered the cell, Serna said he knew it would be one of the longest nights of his life.

"When I walked into the jail cell, and they closed the door behind me, I started feeling this anxiety," Serna said. "It came back -- a flashback."

Retired Army Sargent First Class Joe Serna did three tours in Afghanistan and has two purple hearts to show for it. The Green Beret survived an IED and a suicide bomber. But he said his scariest moment was the night he was riding in a truck with three other soldiers.

"We were following the creek and the road gave way. And the vehicle went into the creek." Truck started filling with water.

Trapped and unable to move, Serna felt the water rising. Past his legs, then waist, and neck until finally it stopped -- at his chin.

Joe Serna during one of his tours in Afghanistan CBS News

Serna was the only one to leave the truck alive. He said it still haunts him. "I suffer from PTSD."

Among his issues -- a fear of being in small, cramped places.

"I knew what Joe was going through and I knew Joe's history. And he had to be held accountable -- but I just felt I had to go with him. I felt I had to go with him," Judge Olivera said.

And so a few minutes after Serna was locked up, Olivera surprised the man he sent to jail by joining him for the entire night. "We ate meatloaf and we talked about a lot of things."

"We talked about our families," Serna said. "The walls didn't exist anymore. He brought me back to North Carolina from being in a truck in Afghanistan."

After sharing a night in a jail cell, Judge Lou Olvera tells Joe Serna he doesn't want any more missteps. CBS News

This week, Serna promised the judge no more mess-ups. "I don't want to let you down, ever," he told Olivera.

It's not how law and order usually works, but sometimes jail is not what a man needs. Sometimes the best sentence is compassion.

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