More recently, the San Diego Chargers increased their security several years ago at a hill overlooking the practice field at the team facility during weeks when they played the Denver Broncos. Why? It turns out Broncos coach Mike Shanahan had been hiring spies to videotape the Chargers practices. The NFL had been aware of it for several years (at least one NFL official had seen one of the tapes), but didn't step in because it was considered a team issue.
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