The terror group growing power and threat but in the last week according to people familiar with the operation twitter has shut down suspended at least 2000 accounts connected to isis 2000 accounts connected to isis. Major escalation. This is as serious an attack on isis twitter as we have seen so far. In response isis supporters are calling for retaliation against twitter employee at the California Base company. Among the isis target shut did you know accounts spreading video of the secretive executioner called jihad john. Despite the mask investigators say tonight he didnt pull his mother who immediately recognized her son immediately recognized her sons voice. On the very first jihad john video in which american journalist james foley beheaded. According to authorities she kept quiet about the fact it was her son mohammad. Other members of the family are also under scrutiny tonight including his younger brother omar who we found on the streets of london today. He took off running wh