Photo: Joe Tabacca, AP

A 27-year-old man has been charged with fatally stabbing the great niece of legendary country entertainer Johnny Cash, according to The Tennessean.Wayne Masciarella of Cape May, N.J. was charged with first-degree murder in the Wednesday death of 23-year-old Courtney Cash. He was also accused of stabbing her boyfriend, William Austin Johnson.Putnam County Sheriff David Andrews said Masciarella had gotten into a dispute with Johnson and Cash at their Baxter home before he allegedly stabbed them both and fled. The three were believed to be friends, the sheriff said.H/T: USA TODAY