>> judge: detective, if what michael and susan are saying and that is that they don't believe that that person is their son and their brother, is it possible that summer crossed the border with the two children without joseph? >> i would say it's possible, but not probable based on the physical evidence beforehand and the physical evidence we've got since then. >> judge: all right. but michael, tell me what you think is going on here. >> i've looked at this so many different times through the last year and i just don't see my brother leaving, not touching the bank accounts, knowing that he has to provide for his family. he has another son from another marriage. i don't see him not taking care of his responsibility, leaving his business. >> judge: he was a successful