Most likely inspired by image of the man crying on the should of his executioner just before his execution (Warning: raphic photos, 3rd picture here: http://www.mehrnews.com/fa/newsdetail.aspx?NewsID=1795149)

Source: http://www.roozonline.com/persian/newsphoto/newsphoto0/archive/2013/january/21/article/-4097061eab.html