The Origins of Lies in Human Beings

Lying is something human beings have been telling each other ever since the fall. The first lies told by a human being are attributed to cain, as we read in genesis four. If you do well, will you not be accepted? And if you do not do well, sin is lurking at the door. Its desire is for you, but you must master it. What's the earliest form of lie detection that we know about?