In South Sudan, thousands have been killed, abducted or displaced by Joseph Kony's Lord's Resistance Army. French photojournalist Véronique de Viguerie has been travelling here to cover the Arrow Boys – an unpaid force of farmers.In South Sudan, thousands have been killed, abducted or displaced by Joseph Kony's Lord's Resistance Army. French photojournalist Véronique de Viguerie has been travelling here to cover the Arrow Boys – an unpaid force of farmers.