unraveling how and why bryant went from catholic to muslim, from u.s. army recruit to jihadist, from long island to lahore. he grew up on this street, in a middle class neighborhood on long island. his parents, latino immigrants, neither would go on camera with cnn, but a neighbor says as a boy, bryant was like part of her family. >> very sweet little boy. he could come here any time and he was welcomed here. >> reporter: regis knew him best. >> when we were younger, we used to go in the pool a lot. he was respectful. he'd make sure he didn't break any rules in the house. >> reporter: there was nothing remarkable about bryant's early childhood. his teachers remember him being a good student, quiet and shy. he loved baseball and swimming. on sundays, he was an altar boy, his father devoutly catholic. when he was 14 years old, it all