went to high school and even after he moved to the u.s., he came back and visited his family. we found his father's house. it was empty when our cnn crews got there, local residents telling cnn the father may have left earlier on tuesday. very interesting, his father identified as bahar, a retired air vice marshal for the pakistani air force. by all accounts, an upstanding citizen. but one focal point and another focal point, karachi, a southern port city in pakistan, where according to intelligence forces, there was a raid conducted in a house where faisal shahzad spent time over the past year and as many as three people are being detained and questioned at this hour as this investigation unfolds in pakistan. >> you talked to members of his family. what did they tell you? >> reporter: we found a cousin, and he said, look, the family are reeling, they're shocked about these developments certainly going to put this