Before you write it off as tinfoilhatter speculations [0], please consider this was the time in Italy when an acting Prime Minister (Giulio Andreotti) took active part in a hit job on a former Prime Minister (Aldo Moro) [1].

[0] https://en.wikipedia.org/wiki/Pope_John_Paul_I_conspiracy_th...

[1] https://en.wikipedia.org/wiki/Kidnapping_of_Aldo_Moro