The oldest known copy of the biblical narration is from the Dead Sea Scrolls (4QGenb = 4Q242, mid 1st century), inspected using infra-red photography and published by Jim R Davila as part of his doctoral dissertation in 1988. Cain and Abel appear in a number of other texts, and the story is the subject of various interpretations. Abel, the first murder victim, is sometimes seen as the first martyr; while Cain, the first murderer, is sometimes seen as a progenitor of evil. A few scholars suggest the pericope may have been based on a Sumerian story representing the conflict between nomadic shepherds and settled farmers.
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