A teenager entices her new boyfriend to kill her parents, so they can be together. Based on a true story.
IMDB
https://www.imdb.com/title/tt0117995/
https://www.imdb.com/name/nm0004997/?ref_=tt_cl_t_1
https://www.imdb.com/name/nm0000838/?ref_=tt_cl_t_2
https://www.imdb.com/name/nm0389374/?ref_=tt_cl_t_9
https://www.imdb.com/name/nm0298281/?ref_=tt_cl_t_5
The Murders of J.B. and Kathy Wiseman
https://en.wikipedia.org/wiki/Twisted_Desire
https://www.dailypress.com/news/dp-xpm-19910801-1991-08-01-9108010050-story.html
http://www.clarkprosecutor.org/html/death/US/thomas601.htm
http://www.clarkprosecutor.org/html/death/US/thomas601.htm
https://www.theguardian.com/world/2000/jan/10/michaelellison
