Deceased journalist Wali Khan Babar. ? CPJ KARACHI: The killer of journalist Wali Khan Babar was arrested on Monday, said officials in a press conference. Babar was gunned down in Liaquatabad area of Karachi on January 13, 2011, when he was returning home from the office. Kamran alias Zeeshan Shani was arrested during a joint operation, said Karachi police chief Ghulam Nabi Memon, adding that Shani had opened fire on Babar.