>>19118569I GOT IT! Adding on to that, the suspect in question brutally slaughtered her own unicorns and famously despises gfe. The one character who goes out of their way to present themselves as a responsible straightman and professional figure. HMMMMM REALLY MAKES ME THINK
This gives us a consistent motive as well as what could have been used as ammo against Rushia in the first place to qualify as bullying.
Any other theories?