It's not appropriate. His actions were extremely violent and tragic. Fanfiction has the potential to distort the reality of what happened and give a platform to ideas that are not in line with moral and ethical values. We should focus on preventing such tragedies in the future rather than creating fictional works around the perpetrator.
Mrs Harris is typically not a true story. It might incorporate fictional elements, settings, and events to create an engaging narrative for the audience.
The main distinction of porn with a story genre from regular porn is the presence of a coherent narrative. Regular porn often jumps straight to the sexual action, while the story genre tries to add some kind of story framework around it. But in the end, both are adult-oriented and feature explicit sexual content.
Well, it's hard to say for sure. The concept of 'porn-like' is quite subjective. Some might consider certain novels with excessive sexual descriptions as such, but it depends on individual perspectives and cultural standards.