In 2005, investigators in Palm Beach, Florida, began uncovering a dark secret.

A lot of girls knew about it and a lot of girls were doing it.

If anybody asks if you're over the age of 18, just go ahead and go with it.

There was a wealthy man in Palm Beach who was offering young girls a way to make money.

She knew a guy in Palm Beach that we could give massages to and we could make $200.

I was starting to get really nervous and my heart was starting to race.

Yes, we need to get comfortable to take my clothes off.

That man was Jeffrey Epstein and he had set up a system designed to bring him underage girls.

Girls who would say he abused them and left them feeling helpless and terrified.

I couldn't run, I couldn't leave.

My screen tool was going to hear me. Who was going to come?

You were 14, correct? Yes.

Local police and the federal government would investigate and by their count find dozens of victims.

Epstein would become one of the world's most infamous predators, a man who could have faced decades in prison,

but served just 13 months in his own wing of a county jail.

Why would you cut this deal with Jeffrey Epstein?

Epstein's abuse would span years and cross state lines.

New York, Palm Beach, New Mexico, Paris, Virgin Islands,

and each one of those residences is an alleged crime scene.

I'm ABC's Mark Rimmelard and with a team of journalists from the ABC News Investigative Unit,

we've traveled around the country to look at Jeffrey Epstein and the allegations of his horrifying abuse,

to hear from the girls who suffered it, who are now women fighting to recover from it.

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