Before we begin, just a trigger warning.

The following episode contains references to graphic physical violence and suicide.

Please listen with care.

Well, it was late at night, and I was finishing up some work at my computer,

and I said, well, how bad could this be?

You know, never a good thing to say to yourself.

Four years after Daniel Marsh had been sent to prison

for murdering her mother, Claudia Moppin,

Victoria Herd was sitting in her office,

preparing to watch a YouTube video. I came to realize that there are no such things as evil people in this world.

Only damaged people.

There on the screen suddenly was Daniel Marsh.

It was 2018, and Daniel was now 20 years old.

I did horrible things to people who never deserve to be hurt.

In the video, Daniel was standing on a stage, delivering a TEDx talk, organized by his correctional facility.

His short hair was slick back and he wore a blue prison shirt and sweatpants.

And I'm watching it like a deer in the headlights.

You know, I can't pull my eyes away.

It's a mature, self-assured Daniel Marsh telling his story.

In all his previous interviews with law enforcement and psychiatrists, Daniel had denied being sexually abused, but that story

had now changed. In his TEDx talk, he claimed he had been sexually abused as a child,

although he never named the culprit or provided any details about the alleged abuse.

...