Samereh Alinejad (L), Abdolghani Hosseinzadeh (R) and their daughter sit on a sofa in front of a picture of their son Abdolah Hosseinzadeh who was killed by a fellow Iranian, Balal, in a street fight with a knife in 2007, after they spared the life of their son's convicted murderer during his execution ceremony in the northern city of Noor on April 15, 2014. Alinejad spared the life of her son's convicted murderer with an emotional slap in the face as he awaited execution with the noose around his neck, a newspaper resported. AFP PHOTO/ARASH KHAMOOSHI/ISNA        (Photo credit should read ARASH KHAMOOSHI/AFP/Getty Images)