CNN CNN Newsroom With Carol Costello January 12, 2016 15:44:00
Rumaysah. >> reporter: we sat down with konica dhar, sister of siddhartha dhar. he left the uk about a year and a half ago and there's speculation he may be the new so-called jihadi john. konica dhar told us she's desperate to believe the man in not her brother in the video but he has changed enormously from the boy she grew up with. take a listen. >> i'll be honest with you. one thing i notice is that he has stripped his identity cleatly, which is sad, because he had the most colorful, creative personality, and i don't know where it's gone and where we've gone wrong. it's been host. >> report...