Our aviation unit sees what they believe to be a body, deceased female.

If you weren't paying attention, you could walk by and probably not know she was there.

From the air, you've got a much better view.

She has suffered from blood force trauma and that the death's not going to be natural.

We probably are working to homicide.

I'm Scott Weinberger, investigative journalist and former deputy sheriff.

I'm Anasiga Nikolazi, former New York City homicide prosecutor and host of investigation discoveries true conviction.

And this is Anatomy of Murph.

India-Lantic Florida is a quiet little beach paradise that gets its name from its location.

It's nestled between the Indian

River Lagoon and Atlantic Ocean. This quiet tourist town is the kind of place people come to

unplug kayaks at sunrise, beach paths by sunset. But on February 15, 2010, the tide turned dark.

Kelly Brennan, a well-respected nurse, vanished under troubling circumstances.

Lieutenant Todd Goodyear of the Brevard County Sheriff's Office,

who at the time was assigned to the Criminal Investigations Division, knows this case well.

Kelly worked at one of the local hospitals. I think she was a technician there.

And she was an avid cyclist,

was involved in some charitable work.

She had been reported missing the night before on the 15th,

around probably 9.45, 10 o'clock in the evening.

She had left work to go to one of the local gyms where she

worked with a personal trainer. She never made that appointment. Her vehicle was not at a

...