---
category: PROMIS Scandal
summary: Former Southern California cop appointed as deputy to investigate Ron Van
  Meter's disappearance in Mariposa County.
tags:
- Person
- PROMIS
---

[Frank McCoy](/people/frank-mccoy/) was a deputy appointed by Sheriff [Ken Mattheys](/people/ken-mattheys/) to handle the internal affairs aspect of the investigation into [Ron Van Meter](/people/ron-van-meter/)'s disappearance. McCoy was a former cop from the Southern [California](/places/california/) area.[^1]

---

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