Iran's Supreme Court has acquitted a group of men charged over a series of gruesome killings in 2002, according to lawyers for the victims' families. The vigilantes were not guilty because their victims were involved in un-Islamic activities, the court found. The killers said they believed Islam let them spill the blood of anyone engaged in illicit activities if they issued two warnings to the victims. The serial killings took place in 2002 in the south-eastern city of Kerman. 'Morally corrupt' The case raises serious questions about vigilantes in Iran taking justice into their own hands and undermining the rule...