I'm Lester Holt and this is DateLine. It was the secretive self-help group

many called a sex cult. Now for the first time, next-ingem insiders speak out

including from prison, former leader Keith Renere.

I'm the leader of the community and it is come to this horrible situation.

I joined DOS in 2016. DOS was a secret society for women who wanted to become their

best selves. We were told that it was exclusively women, mentoring women.

They used that front of self-help as a way to groom women for Keith Renere.

Women were being physically burned with his initials.

We wanted something that honored the permanence of our commitment.

There are women who have said I didn't want this. When they were in the room with me,

they wanted it. They were laughing. I chose to be branded. I chose to be branded.

The option to say no isn't really an option. The pain who is like what is happening.

These young women were on this runaway roller coaster to hell.

That's where Keith Renere was taken to hell.

Here's Keith Snow with Collateral Damage.

It looks like a typical American subdivision.

But the snow shrouds a dark past as if the blanket of white is covering up the crimes that

took place here. I can't imagine what you went through emotionally.

You said I have wanted to end my life on numerous nights since leaving.

That's heavy. Yeah.

These successful and accomplished women bonded here in friendship and devotion to a leader

who they revered. He destroyed a lot of people's lives to the point where we're still

...