@RobDollar: You're assuming that they obsess over these particular two, and no one else.
...I'm assuming they habitually rape anyone with a pulse, since that perfectly explains why they can go from zero to rape in an instant: they practice, constantly. So it's less escalating quickly for them, and more what they do on a daily basis. I mean if you would jump a guy who has what I assumed was bird crap on his head, I don't think your standards are high to start with.