Hmm... Christina Hope is mighty suspicious, first the murder she had everything to gain by, and then the papers that were 'coincidently' found near her desk. I bet she's this mysterious and dashingly fashionable Jack the Ripper, just a hunch.
This translation is off all the time, especially the grammar, in Japanese it's Shihai (no akuma) which translates to : rule; control; direction. Basically like the Demiurge in Gnosticism, a being of tyranny and oppression. A fear of losing autonomy