How is Safin connected to SPECTRE?

How is Safin connected to SPECTRE? The main antagonist of the film, Lyutsifer Safin, is a victim of Spectre who seeks revenge against the organization after they brought about the death of his family.

The main antagonist of the film, Lyutsifer Safin, is a victim of Spectre who seeks revenge against the organization after they brought about the death of his family.