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spec: The probe of Foggo and Wilkes stems from a broader federal investigation involving at least five federal agencies into how associates of former Rep. Randy " Duke " Cunningham directed government business to a favored network of national security contractors . And people get misclassified using our current procedures . He was a supervising officer at the CIA supply hub in Germany , and the purchasing officer there went along . Sampling theory , for instance , guides how often sound waves should be measured to generate a digital signal that adequately reproduces the original sound . " In the sport of orienteering , a competitor uses a detailed map ( and perhaps a compass ) to navigate his or her way across varied terrain following a course drawn on the map .