Holly Williams and William Bill Lanway

Sources:

20/20 show sealed with a kill

https://abcnews.go.com/US/nashville-couples-murder-uncovers-dark-conspiracy-payoffs-country/story?id=106953267

https://www.tennessean.com/story/news/crime/2024/02/13/2020-spotlights-nashville-killings-of-holly-williams-william-lanway-documentary/72570732007/

https://www.statesman.com/story/news/crime/2024/02/09/erik-maund-holly-williams-murder-bill-lanway-byron-brockway-adam-carey/72536645007/

https://people.com/crime/couple-killed-murder-for-hire-plot-allegedly-keep-suspect-affair-secret/