Angels & Demons Film

Character lore from Angels & Demons (2009) — notes on the Illuminati's hired assassin, Patrick McKenna.

Source: Patrick McKenna — Villains Wiki

The Full Picture

Piecing together the assassin behind the Illuminati plot

Identity & Background

The character sits at an odd crossroads: a Jesuit-linked upbringing paired with an Irish identity. That combination gives him a dual relationship to the Church — close enough to understand its inner workings, but ultimately positioned against it. It's this insider/outsider tension that makes him more than a generic hired gun.

Role in the Illuminati Conspiracy

He isn't the mastermind — he's the instrument. The Illuminati use him as the hands-on operative who carries out the kidnappings and killings of the cardinals, while the real architect of the plot stays hidden in the background. He's the visible threat that keeps Robert Langdon and the Vatican reacting instead of getting ahead of the conspiracy.

The Antimatter Threat

The stolen antimatter canister is his ultimate leverage — a literal ticking clock hidden somewhere inside Vatican City. It elevates him from an assassin picking off targets one by one into an existential threat capable of wiping out the entire College of Cardinals and the Vatican itself in one stroke.

Symbolic Function in the Story

His Jesuit ties and Irish background aren't just biographical trivia — they position him as a figure shaped by faith who now acts against it, echoing the film's larger science-versus-religion tension. He's the human face of a conspiracy that otherwise operates through shadowy, faceless conclaves.

Taken together, the notes sketch a character built to be the story's most immediate danger: a Church-adjacent outsider turned hired killer, wielding a weapon powerful enough to erase Vatican City in an instant. He's the ground-level threat that gives the Illuminati's larger conspiracy its teeth.