Sex jealousy evolved from the protection of property and lineage, allowing for crimes of honor to be committed under unwritten laws. [1]
Early society adopted a retaliatory attitude, but religion has since modified blood vengeance, deterring present-day murders under the pretense of unwritten law. [2]
Society fails to punish crimes, leading to lynch law as a form of group resentment, while the provision of sanctuary offers a means to escape sudden group anger and the individual's unwillingness to surrender private redress to the state. [3] Secret societies practiced lynch law to awe and control mobs, act as vigilance societies, and keep unscrupulous kings on the anxious seat. [4]