Meanings of such viciousness in English

He tied a knot with such viciousness that few would have had the patience to untie it.

Blaming the British army, the RUC and loyalist paramilitaries for firing the first shots, as Morrison does, hardly absolves those who responded with such viciousness.

Did you ever hear of such depravity-suchviciousness?

"It is my conviction that a divine spirit exists in us all, which transcends-evenredeems-suchviciousness."

"It frightens me to think of such viciousness so near to us, and we don't know and can't guess who it is."