Runkle found his man within five minutes, detached him from the other prisoners, and led him to the chart-room. Darrin tried his own German on the fellow, asking:

"Your craft had just arrived from the base port?"

The man stared, then slowly nodded.

"How many mines did you have on board when you left the base port?"

"Thirty, I heard."

"You planted some on the way?"

"A few, so I heard."

"Most of the mines you were to deliver here tonight?"

"Yes."

"How many trips a week has your craft been making between here and the base port?"