I don't hold with the argument that just because she was a murderer from birth, she should be allowed to continue to murder. Adalind and Nick not only allowed it with Diana, but with Kelly as well. They also brought the triplets into their little circle of murder. What Adalind and Nick did was heinous enough, but they allowed their atrocities to seep through onto their children.
The best way to frustrate a cyberbully is to ignore him.