At the press conference speakers said it has been disclosed that the U.S. set up branches for spying in different parts of the world and has operated wiretapping facilities.

The U.S. wiretapping of even dialogues among heads of state of various countries of the world can never be pardoned as it is espionage from A to Z, they held.

They urged the U.S. to probe the truth about the wiretapping and dismantle wiretapping facilities in south Korea.