MADISON, Wis. (AP) — Eugene Hasenfus, who played a key role in unraveling the Iran-Contra affair after his CIA-backed supply plane was shot down over Nicaragua in 1986, has died. Hasenfus died on Nov. 26 in Menominee, Michigan, after a nine-year battle with cancer, according to his obituary from the Hansen-Onion-Martell Funeral Home in Marinette, Wisconsin. He was 84. Hasenfus was born Jan. 22, 1941, in Marinette. He served with the Marines in Vietnam and continued a private career in aviation