http://www.globalresearch.ca/index.php?context=va&aid=9556

Operation Gladio: CIA Network of "Stay Behind" Secret Armies: The "Sacrifice" of Aldo Moro by Andrew G. Marshall

Through NATO, working with various Western European intelligence agencies, the CIA set up a network of stay behind “secret armies” which were responsible for dozens of terrorist atrocities across Western Europe over decades. This report will focus on the stay behind army in Italy, as it is the most documented. Its codename was Operation Gladio, the ‘Sword’.
An Overview

The Purpose of the ‘Stay Behind’ Armies