Crime alert, I'm Nancy Grace, breaking crime news now.

Family reports 29-year-old Alexis Schuller missing after days no contact.

Marilyn Koss performed a search warrant at her boyfriend, Devante Gray's home,

and notice an odd smell.

They blame it on dirty conditions in the home.

Then investigators review neighbor's surveillance footage

and C. Gray bringing heavy construction

materials into the home.

Second visit, they find a makeshift tomb under his stairs concealing a storage container with

Alexis's remains inside.

Nancy, Alexis shared one of her three children with Gray,

and her mother says she warned her to be careful around him,

as she always had a feeling something was off.

Gray admits that he killed Schuller.

Officers believed the murder occurred during a dispute between the couple.

Gray covered the storage container in soil and hay before encasing it in concrete underneath the stairs.

Gray then framed in the area and put up drywall using fake bricks.

Devante Gray, 30, now charged with murder.

A man staying in a Florida motel orders a pizza and is shot when the delivery driver

rolls her eyes at the amount of tip and storms off. He brushes the incident off, but late that

night, he hears someone bust through the door of his room. Delivery driver Brianna Avello

attacks him with a knife while her associate armed with a gun finds the man's wallet.

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