In 2009, three days before Halloween, a grisly crime stunned the seaport town of Anacortis, Washington.

Mark was known as the dog whisper of Anacortis.

They soon discovered a story tangled in obsession.

Who was the hunter and who was the hunted?

Follow and listen to Train to Kill, the Dog Trainer, the heiress, and the bodyguard on the free Odyssey app or wherever you get your podcasts.

I know that I won't be the first person to be wrongly convicted and possibly wrongly sentenced for either life in prison or the death penalty.

And personally, if I had my choice, I would take the death penalty because I don't want to spend the rest of my life in prison.

We introduced you to Jodi Arias back in 2009 when she sat down to be interviewed by 48 hours

shortly after being arrested and charged with the murder of her ex-boyfriend, Travis

Alexander. Since then, she's become a national sensation, the focus of newspaper and magazine

profiles, and the subject of 24-hour cable news coverage.

I met Jodi Arias at the Estrella Jail four and a half years ago when she agreed to tell CBS News her story of how Travis Alexander had been murdered.

An interview which for the first time in the history of 48 hours was used as evidence in a death penalty trial.

Just give me the gist of what you were doing here in this place today.

Today, I am interviewing with you. I've been charged with first-degree murder of my friend, Travis Alexander, and I'm just here to have a conversation with you about it.

During this three-hour interview, Jody told us a tale of secret intimacy.

There was an attraction, and, you know, it found an outlet on occasion.

That's a very creative way of saying it. It found an outlet.

The drama of masked intruders.

There were two individuals walking toward us.

And I just heard a loud bang.

And Travis was screaming.

...