Mr. Senussi, a man with jet-black curly hair and small, deep-set eyes, talked about the need for reform in Libya and said the government was interested in change, but he also leveled subtle but clear threats, Mr. Mehiri says.

WSJ: Censorship Inc.: Life Under the Gaze of Gadhafi's Spies

Van Engelsdorp, who is thirty-seven, has a bearish build, thinning blond hair, and deep-set blue eyes.

NEWYORKER: Stung

He had keen blue eyes, deep-set and overhung with unruly gray eyebrows, and a nose that jutted out from his face like the prow of a ship.

NEWYORKER: Union Man