>> terra was very emotional. i thought, "just suck it up. you know? it's christmas. have fun. >> reporter: instead she felt that that man had come and usurped something? >> yes. >> yes. >> reporter: he had not only stolen their christmas, thought the daughters, but both of them worried he was stealing their too trusting mother. taking advantage of her. she just let him drive her car. why would he need to? wasn't he a prosperous doctor an anesthesiologist? couldn't he afford a car? well, there was a reason, debra told them. that while john was in iraq working with doctors without borders, he was robbed. >> his house, his clothes, his cars. he was working with insurance -- an insurance company of getting the claim. so i let him borrow my car. >> reporter: john would get all his money back soon enough, said debra. didn't wash with terra. sounded like a shaggy dog tale. >> at that time i had lots of suspicions. >> reporter: and that's when she and her sister decided to do