
Photos: The State Police helicopter

From left: Troopers Eric Fairchild, Mark Spencer, and Ed Mathurin discussed the technology used in the capture of Dzhokhar Tsarnaev.
Steve Haines for The Boston Globe
| April 26, 2013

Trooper Ed Mathurin, the tactical flight officer the night of the capture, explained the operations.
Steve Haines for The Boston Globe
| April 26, 2013

A Forward Looking Infrared (FLIR) camera system was used to detect the suspect while he was hiding in the boat.
Steve Haines for The Boston Globe
| April 26, 2013

The controls to the Forward Looking Infrared (FLIR) camera system.
Steve Haines for The Boston Globe
| April 26, 2013

The State Police Troopers flew in tight circles about 1,200 feet overhead to avoid making themselves a target.
Steve Haines for The Boston Globe
| April 26, 2013

Mathurin said he was surprised to find a "perfect human silhouette" when he pointed the infrared camera at the bombing suspect.
Steve Haines for The Boston Globe
| April 26, 2013