When a house fire erupts in a quiet Florida neighborhood, first responders find a mother and her young daughter deceased inside the home.

Investigators search for the killer who set the fire in an attempt to destroy evidence of a double homicide in this episode of Last Seen Alive.

I'm your host, Leah, crime analyst by day and true crime storyteller by night.

As always, I'm your host, Scott.

A quick heads up. This episode involves the death of a child victim. It also contains mention

of sexual assault. Please listen with care. Heather and Kira Radcliffe were last seen alive

on December 8, 2006. They were mother and daughter and were 28 and 6 years old, respectively.

Heather and Kira lived in Gainesville, Florida, a city that was home to about 120,000 people at the time.

There, along with their dog and cat, they shared a two-bedroom home on Northwest 32nd place.

Their house was situated close to several others in Gainesville's Ridgeview neighborhood on a

cul-de-sac shaded by tall trees draped with Spanish moss. It was a cute, quiet, and affordable

neighborhood, which was important to Heather as a single mom. Now, Heather had been raising

Kira on her own for years. Kira's dad

lived in another state and wasn't actively involved in her life, so Heather worked hard to provide

a stable, comfortable home for her. She was a certified arborist and worked as the supervisor of a

tree trimming crew for a Gainesville business called Gator Tree Service. She'd always had a passion for the

outdoors, so the job was a good fit. There weren't many other women in her field, but she didn't mind.

She'd take working outside over an office job any day. Actually, a really good career field,

and I know there's a lot of those services that happen in Florida. It's a really unique skill set to have.

And it's a very necessary service that they provide for sure. And Heather had, in fact,

started out working in the company's office, making phone calls and running errands, stuff like that.

Over the years, though, she'd worked hard, not just at her assigned duties, but at expanding

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