All this took place under utmost secrecy. Americans only caught their first glimmer of what the NSA was up to when San Antonians started complaining on neighborhood forums that their garage doors were opening and closing at random. Some filed police reports, believing neighborhood thieves were to blame. But the cops were at a loss. The incidents forced the NSA to make a rare admission that a rogue agency antenna was to blame. It was inadvertently interacting with old makes of garage door openers.
