Inspector General of Prisons Brig Gen Syed Iftekhar Uddin received a death threat on Saturday.The threat was given through SMS over his mobile phone in the afternoon.The SMS sender identifying him as a journalist mentioned in the message that the followers of top terror Killer Abbas would seed the end of the IG Prisons.The threat was given apparently for shifting three top terrorists, including Killer Abbas, from Kashimpur Central Jail to other jails.On Friday, top terrorists Killer Abbas, Khorshedul Alam Rasu and Pichchi Helal were transferred to Jessore, Comilla and Rajshahi jails respectively following an order by the Home Minister.