She's not feeling I'm trying to do CPR. I can't get hurt. Your wife is not breathing?

Okay, sir, I need to take a deep breath.

Take a deep breath. Listen to me.

I'm going to get the paramedic so we can try and get her some help, okay?

Don't hang up. I'm Scott Weinberger, investigative journalist and former deputy sheriff.

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

And this is anatomy of murder. We've come across all sorts of motives for murder from the tragically common like

money jealousy and rage to the downright psychopathic.

But I don't think we've ever covered a story in which the cause of a homicide comes courtesy of a house.

Shanti Cooper and her husband David Tronas had been renovating their dream home in Orlando, Florida for over a year.

They were both on their second marriage looking for a fresh start in the sunshine state.

Now every marriage has its challenges and a big renovation is the kind of thing that puts any relationship to the test.

But tragically, this do-it-yourself project went from bad to worse to fatal.

I think Orlando's like any city.

It's got its nice parts and it's got its more dangerous parts.

Meet Michael Smith, a veteran prosecutor nice parts and it's got more dangerous parts.

Meet Michael Smith, a veteran prosecutor in Orange County, Florida,

who over his long career in law enforcement,

civil law, and criminal defense

thought he had seen just about everything under the sun.

Where this actually happened in Delaney Park was generally considered a safe nice area of

Orlando, about a mile south of the central business district so you know very close to downtown a lot of older nice

...