>> the ceo was given a strict deadline. he had less than 45 minutes to get the cash and gold. if he failed, the consequences would be devastating. >> for every minute that mr. ziegler was late, his wife, was going to lose a finger. and when she ran out of fingers, their adult daughter, britney, who lived in texas at the time, they have people watching britney in texas. >> they had eyes on the daughter. >> they had eyes on the daughter. and they were going to -- chop her up and mail her to the family if mr. ziegler failed to comply. >> how do they have so much knowledge about this family? >> we don't know. >> but they're getting their facts right. >> they're getting their facts right. >> mick nocera was the lead investigator for the fbi. he said what happened next took an even more bizarre turn. >> the tall, slender guy, a white male -- went outside. a few minutes later, a white female comes in through the backdoor and -- >> a female? >> a female. >> so now you got three assailants? >> three.