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A couple of weeks back, we drove to Delphi.

It's a small town not far from West Lafayette, the home of Purdue University.

Delphi is also the seat of Carroll County, which has a population of around 20,000.

We parked near the Freedom Bridge, a pedestrian walkway that goes across one of the busiest roads in town.

This bridge connects to the Delphi trails, once the natural highlight of this Indiana town.

Now, because of what happened on a sunny winter's day in 2017, Delphi is a name synonymous with a horrific crime.

As we walked deeper down the trail, our way bordered on each side by towering trees, bearing a breeze.

The sounds of traffic in the outside world grew fainter and fainter.

We felt increasingly isolated as we hiked along.

Four years ago, Liberty, German, 14, and Abigail Williams, 13, died here.

They have not been forgotten.

Not by the people all over the world who heard their story,

and certainly not by the people of Delphi.

There is a small impromptu memorial to them on the trail, a place where hikers have left flowers

and crosses and a miniature angel and other mementos, many inscribed with the names of the girls.

Having recently moved back to Indiana, we've noticed that this is also a case that people

continue to talk about, even after four years without answers.

...