Maureen Maher

When Detective Gene Calvados walked into that basement, he saw the brutality of the slayings firsthand, along with some odd clues.

Near the back fence, a single glove.

Investigators looked into Nancy and Richard's lives.

Rumors of a drug connection to the coffee business they worked for were quickly dismissed.

Meanwhile, family members racked their brains for any clue they could come up with.

Could you think of anyone who would have wanted to hurt them or any sort of revenge or anything out for Nancy and Richard?

Absolutely not.

Completely mystified.

Not a single thing.

But other tips came in, including one that involved a possible link to the IRA, the Irish Republican Army, and to Jean.

Jean, who along with being a corporate attorney, was involved with human rights work.

The FBI had a theory that

because I had been doing human rights work in Northern Ireland.

The IRA had thought that my human rights work was actually a cover for being in the CIA and they had come to Winnetka to kill me and had mistaken Nancy for me and that they killed the wrong person and that now I should tell them, everyone I knew in Northern Ireland and all about them, so that they could solve the murder.

The FBI also claimed that there had been a death threat made against Jean by the IRA.

And given the fact that she had just returned home from a trip to Northern Ireland three days before the murders, investigators had some questions for her.

Did you feel like suddenly there had been a line in the sand drawn between your family and investigators?

I felt at the time that they were considering me uncooperative, and that's a thing that you never want to be.

But that's how the media in Chicago was playing it.

And so on the news, they actually did this kind of little spotlight around me, you know, as if, like, there she is.