Suggestion: A businessman is melted in an active furnace in his own factory

https://www.imdb.com/title/tt0679647/

https://www.imdb.com/title/tt1031369/

Profiler "Birthright" has this in a multiple murder case. Law & Order "Excalibur" has this for the opening murder of the investigation. Again, straightforward similarities. Let's see what we come up with.