possibility that brian and serena had in fact been kidnapped for ransom. so the phoenix police reluctantly let miles out and he and porter headed for the airport. >> he was saying, "k," you have to believe me. please trust me. i wouldn't do anything to hurt my brother. >> miles caught a plane for california. the next afternoon, friday, september 6th, he showed up at erica weis's job. >> he told me i just came to tell you i love you, and good-bye, i'm in a lot of trouble. >> what did you think he meant by that? >> i had no idea. i started pushing for more information. he said, there's a missing person involved. finally, he said it was serena. >> did he say to you why or how she became missing? >> no. he said it was an accident. i said, you know, you need to tell her family, they're probably frantic. >> miles said he was leaving the country now, going to mexico. >> he wanted to be there so he could do what he needed to do