Scott Amatuccio

One of the cadaver dogs is walked along the backyard and alert to a dirt mound multiple times.

One of the cadaver dogs is walked along the backyard and alert to a dirt mound multiple times.

Investigators with Florida's Lake County Sheriff's Office are back at Michael and Lori Shaver's home, armed with a search warrant. They're now scouring the property.

Investigators with Florida's Lake County Sheriff's Office are back at Michael and Lori Shaver's home, armed with a search warrant. They're now scouring the property.

What did you find in that gravesite?

What did you find in that gravesite?

How deep was this grave?

How deep was this grave?

Investigators say the remains were skeletonized and looked like they had been there for quite some time.

Investigators say the remains were skeletonized and looked like they had been there for quite some time.

Three weeks before the remains were found back on the day of that welfare check, Corporal Corey Anderson was convinced there was something underneath that concrete. And this is where the fire pit was.

Three weeks before the remains were found back on the day of that welfare check, Corporal Corey Anderson was convinced there was something underneath that concrete. And this is where the fire pit was.

It's what he noticed then that raised investigators' suspicions enough to come back with a search warrant.

It's what he noticed then that raised investigators' suspicions enough to come back with a search warrant.

and you saw that depression, were you immediately surprised?

and you saw that depression, were you immediately surprised?

You immediately thought it was a shallow grave?

You immediately thought it was a shallow grave?

It's just terrible. As painful as that moment was, Michael's family says, finally, all the hurt and confusion around his unexplained disappearance made sense.

It's just terrible. As painful as that moment was, Michael's family says, finally, all the hurt and confusion around his unexplained disappearance made sense.