alibi assassination assassination market australian institute of criminology avunculicide capital punishment child murder consensual homicide contract democide e-mail executioner familicide feticide filicide fratricide gendercide genocide homicide human sacrifice infanticide judiciary jurisdiction justifiable homicide law london lust murder lynching manslaughter manslaughter in english law mariticide mass murder matricide murder murder-suicide national crime syndicate negligent homicide neonaticide organized crime parricide patricide prolicide proxy murder regicide serial killer sororicide specific performance spree killer suicide torture murder tyrannicide uxoricide