Is evil primarily a product of mankind or nature? It seems that mankind is unique in identifying, defining, and reciprocating evil. Evil, however, with its seeming connection to dying, disease and disaster, might be considered a natural outgrowth of suffering. Survival may depend in part upon the identification of "evil" as another being whose characteristics are perceived as vitally incompatible. Can that being be a twin as much as a far removed species? Is fear of the unknown a prerequisite to evil?