we realized that this might, might go on for longer than we hoped. >> on the other side of the globe, amanda and nigel couldn't know how long they would be held, but amanda feared the worst. >> i was the only female in a group of about 16 men. so there was a lot of scary thoughts. >> coming up. a mother springs into action. >> you're playing detective. >> i learned to analyze everything. >> as the stakes for her daughter rise dramatically. >> tonight they have brought me out to kill me. >> when dateline continues.