A woman found stabbed to death inside a wooden box in her Tennessee home has been identified as the great-niece of country music legend
, authorities said on Thursday.
Courtney Cash, 23, was killed on Wednesday morning with a kitchen knife, according to Putnam County Sheriff's Detective David Gibbons.
Gibbons said the killing in the town of Baxter, about 70 miles (113 km) east of Nashville, was the result of an "altercation among three friends."
Cash's boyfriend, William Austin Johnson, 23, who also was stabbed, fled the scene with the couple's infant daughter and is expected to recover.
Wayne Gary Masciarella, 26, of Cookeville was arrested at about midnight Wednesday and charged with first-degree murder. He is being held without bond. Putnam County Sheriff David Andrews said the murder may have been drug-related, and more charges are expected.
's brother, musician Tommy Cash, is Courtney Cash's grandfather.