The KL-43 was paraded in front of cameras during what political scandal that occurred during the second term of the Reagan administration?
KL-43:  The device was paraded in front of cameras during the Iran-Contra congressional hearings. Iran–Contra affair: The Iran–Contra affair (Persian: ماجراي ایران-کنترا‎ ‎ , Spanish: "caso Irán-Contra" ), also referred to as Irangate, Contragate or the Iran–Contra scandal, was a political scandal in the United States that occurred during the second term of the Reagan Administration.
The Iran–Contra affair