An 18-year-old Florida cheerleader goes on a family cruise and never ever comes home.

Her body is found hidden under a bed wrapped in a blanket surrounded by Life Fest.

And now a shocking court filing reveals that a 16-year-old stepbrother is now a suspect in this suspicious

death.

So what really happened on the carnival horizon?

Welcome to the global phenomenon, surviving the survivor, where we bring you the best

guests in all of true crime.

Here's your host, Emmy Award winning journalist Joel Waltman.

What's up, SCS Nation?

Welcome to Surviving the Survivor.

This is the global phenomenon,

the show that brings you the very best guest in all of true crime.

Except today, it's just me, riding solo, bringing you some late breaking news about, you may have heard of it,

this 18-year-old young woman who goes on a carnival cruise line with her family and never returns home.

We're breaking down the mysterious, heartbreaking and deeply troubling death of 18-year-old Florida teenager, Anna Kepner, KEP, NER.

She died, as I said, aboard the Carnival Horizon.

It happened just days ago.

The FBI is investigating.

The cruise line is scrambling, trying to do damage control.

And now explosive new courtroom filings reveal that her own 16-year-old stepbrother is being

eyed as a suspect in what is increasingly looking like a suspicious, possibly even a criminal death year. We're going to walk

through this case from newest to oldest developments, what the latest court documents reveal

...