they wouldn t be so harsh. reporter: is bob a religious man? i think he s a christian. reporter: did bob convert to islam. as a father, i would grow a beard, learn a foreign language and go to the mountains on the other planet to look for my child. i think he went to the other side. reporter: the dad. the dad and the son. i ve been living next door for 20 years and keep saying, this vicious attacks that am i missing something? i know these people. for 20 years, next door. what am i missing? good report, watters. you keep coming back to the rolling stone article. there was report the father gave the rolling stone magazine some e-mails back and forth that his son was sending that showed sympathy to the taliban.
they wouldn t be so harsh. reporter: is bob a religious man? i think he s a christian. reporter: did bob convert to islam. as a father, i would grow a beard, learn a foreign language and go to the mountains on the other planet to look for my child. i think he went to the other side. reporter: the dad. the dad and the son. i ve been living next door for 20 years and keep saying, this vicious attacks that am i missing something? i know these people. for 20 years, next door. what am i missing? good report, watters. you keep coming back to the rolling stone article. there was report the father gave the rolling stone magazine some e-mails back and forth that his son was sending that showed