2 5 ▁years ▁old , ▁of ▁Jordan , ▁and ▁H es ham ▁Moh ammed ▁R aje h , ▁ 2 1 , ▁ ▁born ▁in ▁Ira q , ▁were ▁conv icted ▁of ▁murder ▁and ▁attempted ▁murder . ▁ ▁R aje h ▁was ▁also ▁ind icted ▁for ▁the ▁May ▁ 1 ▁sl ay ing ▁of ▁Hein z ▁N ittel , ▁head ▁of ▁the ▁Aust rian - Is rael ▁Society . ▁ ▁References ▁ ▁Category : Pal est in ian ▁terror ist ▁inc idents ▁in ▁Europe ▁Category : T error ist ▁inc idents ▁in ▁Europe ▁in ▁ 1 9 8 1 ▁Category : T error ist ▁inc idents ▁in ▁Austria ▁Category : 1 9 8 1 ▁cr imes ▁in ▁Austria ▁Category : Ant is emit ism ▁in ▁Austria ▁Category : 2 0 th - century ▁attacks ▁on ▁syn agog ues ▁and ▁Jewish ▁commun al ▁organizations ▁Category : 1 9 8 0 s ▁in ▁Vienna ▁Category : Cr ime ▁in ▁Vienna ▁Category : August ▁ 1 9 8 1 ▁events ▁in ▁Europe ▁Category : 1 9 8 0 s ▁mass ▁shoot ings ▁in ▁Europe ▁Category : 1 9 8 1 ▁mur ders ▁in ▁Europe ▁Category : 1 9 8 0 s ▁mur ders ▁in ▁Austria <0x0A> </s> ▁Hen rik ▁Dres cher ▁( born ▁in ▁ 1 9 5 5 ) ▁is ▁a ▁Dan ish ▁artist . ▁ ▁Life ▁and ▁work ▁In ▁ 1 9 6 7 ▁Dres cher ▁and ▁his ▁family ▁em igr ated ▁to ▁the ▁United ▁States . ▁Dres cher ▁began ▁studying ▁at ▁the ▁School