World's Most Evil Killers
Overview
Gregory Green hid his past murder of his first wife and unborn baby, then in 2016 killed his second wife's four children, two by gas and two by gun, repeating his deadly violence.
Gregory Green hid his past murder of his first wife and unborn baby, then in 2016 killed his second wife's four children, two by gas and two by gun, repeating his deadly violence.