KARACHI - Crime Investigation Department (CID) Anti-Extremist Cell (AEC) claimed to have arrested five target killers who have confessed the killing of several leaders and workers of banned outfit Sipah-e-Sahaba Pakistan (SSP) and Muttahida Qaumi Movement (MQM) in several areas of the metropolis. SSP Omar Shahid said during a press conference at Garden Police Headquarters on Sunday police arrested a Muntazir Imam a few days ago from Gulshan-e-Iqbal area, who confessed to have killed SPP leader Abdul Ghafoor Nadeem and his son Mawia in Nazimabad and other poeple.