Walmart has its own intelligence agency

According to this article in Business Week, Walmart is hiring intelligence officers for a unit in its global security office.

The job description includes collecting information from "professional contacts" and public data to anticipate and assess threats stemming from "world events, regional/national security climates, and suspect individuals and groups."

"Familiarity with a broad spectrum of information resources and data-mining techniques" is listed among the skills sought, along with a foreign language, preferably Chinese or Spanish.

via Global Guerillas