The bombings occurred at art and religious sites and killed 10 people and injured 40 more in Rome, Florence and Milan.
Mori, former head of the ROS special branch and the SISDE external intelligence service, now AISE, said he had got the news on his 85th birthday.
“On the day of my 85th birthday, I received, from the Public Prosecutor’s Office of Florence, a notice of guarantee with an invitation to appear in order to be interrogated as a suspect for the crimes of massacre, mafia association and association for the purposes of international terrorism and subversion of the democratic order,” he said.
The Florence bombing of an agrarian institute near the Uffizi Gallery killed five people.
ANSA