Nobody knows the actual reasons behind the killing. They were never explained fully in court and perhaps even the perpetrators can't do so bearing in mind they are both seriously disturbed, and with autism traits (not that autism is a reason for killing). However, Brianna's transgenderism was a...
Reporting restrictions will be lifted after sentencing on 2 February 2024, when the killers names' will be given.
https://www.liverpoolecho.co.uk/news/liverpool-news/date-brianna-gheys-killers-girl-28327245
This has been all over the local news for a few weeks. The Liverpool Echo was running almost verbatim reports of the trial, and a lot of the evidence was simply sickening. The two found guilty are both extremely disturbed.