i opened it up, and i pulled out a card, and it said, william allen jordan. >> reporter: william allen jordan? >> uh-huh. and i was, like, "wow, this isn't him. it's close, but it's not him." >> reporter: at the time, she'd tucked the information away, thinking it must be an alias used for undercover work. but now she decided to dig some more. you put that name into google. >> uh-huh, i did. >> reporter: what came back? >> horrific, horrific news. beyond anything i could've expected. >> reporter: enter, enter, enter, and it just gets worse, and worse, and worse. >> the more i read, the worse it gets. >> coming up -- >> this did not surprise me. >> a revelation from half way around the world. another woman with another tale about liam allen. >> it was devastating. it was crushing. it was like coming out of matrix. >> when "dateline" continues. grand prix race car made history when it sold for a record price of just under $30 million. and now, another mercedes-benz makes history selling at just over $30,000. and to think this one actually has a surround-sound stereo. the 2015 cla. see yo