On November 26, 2016, 61-year-old Joel Guy Sr. and 55-year-old Lisa Guy were murdered and dismembered by their son, 28-year-old Joel Michael Guy Jr., in Knoxville, Tennessee, United States.
Guy Jr. stabbed his father at least 42 times, his mother at least 31 times.
He was convicted of both murders in October 2020 and received a sentence of life imprisonment.