To o ▁much ▁had ▁been ▁inv ested ▁in ▁the ▁Shah — by ▁European ▁nations ▁as ▁well ▁as ▁by ▁the ▁U . S .— for ▁any ▁real ▁changes ▁in ▁policy ." David ▁Harris , ▁The ▁Cris is : ▁The ▁President , ▁the ▁Pro ph et , ▁and ▁the ▁Shah — 1 9 7 9 ▁and ▁the ▁Com ing ▁of ▁Milit ant ▁Islam ▁( B oston : ▁Little , ▁Brown ▁ 2 0 0 4 ) ▁p . ▁ 4 4 . ▁Later ▁in ▁ 1 9 7 8 – 1 9 7 9 ▁revolution ary ▁crow ds ▁in ▁Te h ran ▁" called ▁him ▁' the ▁American ▁Shah ' ▁and ▁they ▁were ▁right ▁on ▁the ▁mark ." ▁Hel ms ▁ins pected ▁and ▁adjust ed ▁the ▁security ▁provided ▁for ▁the ▁emb ass y , ▁which ▁was ▁located ▁in ▁the ▁city ▁on ▁ 2 5 - ac res ▁with ▁high ▁walls . ▁A ▁C IA ▁officer ▁accompanied ▁Hel ms ▁wherever ▁he ▁went . ▁The ▁usual ▁amb assador ' s ▁car ▁was ▁" a ▁sh ab by ▁be ige ▁Che v ro let " ▁with ▁arm or - pl ating . ▁There ▁was ▁" the ▁traditional ▁amb assador ' s ▁big ▁black ▁Cad illa c , ▁with ▁the ▁flag ▁flying ▁from ▁the ▁front ▁f ender " ▁but ▁Hel ms ▁used ▁it ▁only ▁once , ▁accompanied ▁by ▁his ▁wife . C f ., ▁C yn th ia ▁Hel ms , ▁An ▁Amb assador ' s ▁W ife ▁in ▁Iran ▁( 1 9 8 1 ). ▁ ▁The ▁r