Carlos Humberto Guarquez, prominent member of [an] indigenous rights group...local mayor Dominga Vásquez and her husband journalist Alfonso Guarquez, have received death threats in an apparent effort to intimidate them into stopping their opposition to expansion of mining...[They] have been accused of inciting a protest on 11 January, against the transportation of equipment belonging to mining company Montana Exploradora (a subsidiary of the Canadian-US firm Glamis Gold)...