This is the American Greed Podcast presented by CNBC. I'm Stacy Kich.

In this episode of American Greed,

they're not breathing.

They're ice cold.

When a prominent family in a small Oklahoma town is found murdered, their son is the only suspect.

There are four members of a family, three of them are dead.

Trust fund kid Alan Ruby starts his white collar crimes early.

Those watches and that trip, he stole it.

And just no other way around it.

But when the money runs out, is he willing to go even further to satisfy his hunger for cash?

You've got one chance to explain to me how this happened. In Southern Oklahoma, Oklahoma, past the Carroll fields and oil rigs is the small town of Duncan population 23,000.

Duncan is the kind of tight-knit place many people grow up in and never leave.

In October 2014, friends are concerned

when the Ruby family, owners of a local newspaper, haven't been seen all weekend.

The Ruby's daughter, 17 year old Catherine,

misses school on a Friday,

and then again the following Monday.

She was in my anatomy class,

in my history class, and like she hadn't been there the past like two days

And like I never like thought that she wouldn't be there because of that.

I'm a lawyer in her to be.

I mean somebody I've been married.

...