PLYMOUTH — Suddenly, there he was, a perfect infrared silhouette: accused Boston Marathon bomber Dzhokhar Tsarnaev crouched in a boat in a Watertown driveway, surrounded by officers with guns drawn on the ground and illuminated by the State Police Eurocopter TwinStar hovering above.
“At the moment, you don’t have the time to process it,” said Trooper Mark Spencer, who piloted the copter, at a Friday news conference about last week’s dramatic capture. “Later is when it sinks in. . . . We still say, ‘Did that really happen?’ ”