san salvador former salvadoran president armando calderon help oversee central american country transition bloody civil war peace 1990s die age 69 battle cancer family say monday calderon president 1994 1999 reconstruction divide country take hold die around midnight hospital houston admit critical condition undisclosed form cancer el salvador 1980-1992 civil war pit u.s.-backed right-wing government leftist guerilla farabundo marti national liberation front fmln claim 75,000 live leave around another 8,000 people miss founder powerful right-wing nationalist republican alliance arena calderon president usher string business-friendly economic reform include privatization telecoms sector pension system el salvador supreme court justice 2016 order investigation calderon fortune suspicion illicit enrichment former president also mayor san salvador 1988 1994 reject accusations former salvadoran president calderon die 69