“What agency are you all from?” the sheriff asked the group of dark-suited men and women who had just entered the building.

A tall dark-haired man in a steel gray suit stepped forward and handed the sheriff a black card. The sheriff looked at the card. It was blank. He turned it over and found another blank side.

The man introduced himself as Joe Chan, then named the members of his team.

Agent Chan explained that the black card was keyed to the sheriff’s thumbprint and when pressed would show the needed contact information. “Once you verify my credentials, I’d like to have a briefing on the latest attacks.”

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