---
born: 1954-08-11
category: PROMIS Scandal
died: 1988-12-21
summary: Senior MC-10 intelligence cell member killed on Pan Am Flight 103 over Scotland
  after returning from a Beirut mission.
tags:
- Person
- PROMIS
---

[Matthew Kevin Gannon](/people/matthew-kevin-gannon/) was a senior member of the Middle East Collection 10 (MC-10) cell in [Cyprus](/places/cyprus/) and Beirut. He was on Pan Am Flight 103, along with Major [Charles Dennis McKee](/people/charles-dennis-mckee/), when it exploded over Scotland. They had just returned from a mission in Beirut.[^1]

---

[^1]: Seymour, Cheri. *The Last Circle: Danny Casolaro’s Investigation into the Octopus and the PROMIS Software Scandal*. First Edition. TrineDay, 2010.