During the long trial, the jury has been taken through hours of secret surveillance recordings of the men and other alleged plotters filmed before their arrest in September 2011.

BBC: Birmingham terror suspects 'told outlandish lies'

These are labor-intensive operations that require thousands of man-hours by the Secret Service, and the decision was made that given the unhappy set of choices sequester presented to the Secret Service, that this was the best option.

WHITEHOUSE: Press Briefing

It also filed more than 1, 000 secret ones, and over six hours' worth of classified audio-visual material.

ECONOMIST: China's secret media

They might have been a secret society, meeting at odd hours in hidden nooks around the lake.

ECONOMIST: Benson

Inspired by guerrilla dining experiences in New York and Melbourne, Secret Foodies host regular imaginative culinary events at locations announced a few hours prior via a text message.

BBC: In Sydney, Christmas in July

Felix de Paula was an 18-year-old Army private stationed at the secret New Mexico outpost when he was aroused from sleep in the pre-dawn hours that July morning and handed a pair of welder's glasses.

NPR: Revisiting the Birth of the Bomb