A terrorist and a chief of Hemeyet Bahini was gunned down by some miscrenats when he released on bail from jail.The incident took place in fornt of the central jail of Jessore on Monday evening. The deceased is Hemayet Hosen, 30, son of Jinnah alias Tena Kosai of the Mondolgati area.Officer-in-charge of Kotwali Police Station Elias Hosen said police arrested Hemayet and he was sent to jail in five cases.