This is an excellent article on why people lie including some really good science to back it up:
https://www.nationalgeographic.com/magazine/2017/06/lying-hoax-false-fibs-science/

This is an excellent article on why people lie including some really good science to back it up:
https://www.nationalgeographic.com/magazine/2017/06/lying-hoax-false-fibs-science/