Previously on Unsolved.

Kosheski was really hoping the hypnosis would help the waitresses remember

what kind of car the couple was driving, the license plate number,

which direction it was headed, something that would be helpful.

But when that didn't work,

he turned to a police sketch artist.

Rosie can still remember what the couple looked like.

She had bushy hair.

If I remember correctly, it was sort of black,

sort of a big woman, and he was a little man.

And the police in Watertown didn't put a lot of stock in the clues Khrusheski was uncovering.

But then Kersheski released the sketch of the couple and the story about Michelle being in the white car to the media.

After that, Chief Reynolds decided to reopen the case. For the Milwaukee Journal Sentinel, I'm Criminal Justice investigative reporter

Gina Barton. This is Unsolved Season 2, A Toddler's Death, A Tangled Trail.

One of the most promising tips about the sketch came from a Watertown woman named Sharon Blazing, who said she recognized the man.

She said he was a house painter, an ex-Navy sailor, and a convicted child molester. His name was James Dunn. Everyone called him Jim. And he was Sharon's ex-husband.

Karen Cole, who was friends with the couple, told me Sharon had left her first husband

and was raising three little girls on her own when she met Jim.

And then her first husband beat her half to death.

I mean, he actually did beat her close to death.

And she ended up in the hospital, and then ultimately she divorced him.

Jim came along and helped her.

...