Even if you may not agree with me: I am glad that so much concentrated evil is little to be found, and that people are then still somewhat afraid to do other ills in such a way. The ensemble sounded a bit like an LSD trip. With the white horse and all the fog you created a mood. Well done.
I'd say we're largely ignorant of the devastating effects these types of drugs have had on the population. She might not be evil at all but simple doing what she was told was okay by her profession.