You could always give it a try.
By stating you did not want to focus in the killer or name the killer etc you can ask MN to remove posts which derail your thread.
You then just need to report the posts as a derail and MN will decide on which posts remain on your thread
If you were still not happy you could email MN directly and discuss why you wanted the thread to progress along a fixed path.
You may not have noticed but the OP wants to explore why the State and MSM is pushing the agenda of transgenderism
When it created a public safety risk
a) the police already knew he was male and had killed his mother and stepbrother
b) the police has risk assessed that there could have been more than one killer
Then even after the facts are clear the reports still claim the killer was not male by using terms such as woman/female/she/her