Scott Weinberger

Unsurprisingly, Mary Jo was sticking to her story.

Unsurprisingly, Mary Jo was sticking to her story.

So one call in particular that Yvonne's daughter Julie had answered at the apartment now felt eerily relevant to the investigation.

So one call in particular that Yvonne's daughter Julie had answered at the apartment now felt eerily relevant to the investigation.

Given what had happened to her mom, Julie could not help but think that she had mistakenly given crucial information about her mother's routine to the very person who killed her.

Given what had happened to her mom, Julie could not help but think that she had mistakenly given crucial information about her mother's routine to the very person who killed her.

The circumstantial evidence pointing at Mary Jo Lundsman as Yvonne's killer was certainly there. She had a motive. She had no alibi for the morning of the murder, and she owned a pair of boots that matched the prints at the scene. But investigators in St. Croix Falls, they wanted more. They wanted the murder weapon.

The circumstantial evidence pointing at Mary Jo Lundsman as Yvonne's killer was certainly there. She had a motive. She had no alibi for the morning of the murder, and she owned a pair of boots that matched the prints at the scene. But investigators in St. Croix Falls, they wanted more. They wanted the murder weapon.

Which goes to show, once again, suspecting you know who killed someone and proving it in court are two different animals.

Which goes to show, once again, suspecting you know who killed someone and proving it in court are two different animals.

Investigators in St. Croix Falls continued to receive tips over the years, and plenty of suspicion continued to swirl around Mary Jo Lundsman.

Investigators in St. Croix Falls continued to receive tips over the years, and plenty of suspicion continued to swirl around Mary Jo Lundsman.

Yvonne's children faced an agonizing reality, one that many survivors do when their loved one's murder goes cold. They had to move on.

Yvonne's children faced an agonizing reality, one that many survivors do when their loved one's murder goes cold. They had to move on.

But here's the interesting thing about the evidence in Ivan's case. It wasn't going anywhere. And 38 years later, it was primed to come back in a very big way.

But here's the interesting thing about the evidence in Ivan's case. It wasn't going anywhere. And 38 years later, it was primed to come back in a very big way.

But as we know, times change, and so do prosecutors. And with a changing of the guard at both the sheriff's office and the DA, the Menke murder was granted another look.

But as we know, times change, and so do prosecutors. And with a changing of the guard at both the sheriff's office and the DA, the Menke murder was granted another look.

This is a classic technique by investigators to hopefully get their person of interest to drop their guard. Something like, hey, we're here to just cross some T's and dot some I's, get your name cleared, and maybe you'd be willing to talk to us and sort of help us out here.

This is a classic technique by investigators to hopefully get their person of interest to drop their guard. Something like, hey, we're here to just cross some T's and dot some I's, get your name cleared, and maybe you'd be willing to talk to us and sort of help us out here.