KARACHI - Federal Interior Minister Rehman Malik has said that the arrested killer of Salman Taseer perpetrated the heinous crime owing to the remarks of the Governor, who had termed the Blasphemy Act black law. Talking to media persons outside Bilawal House here on Tuesday, the Federal Minister said that the killer of Punjab Governor Salman Taseer had been arrested, however, investigations would be held to know if there was anyone else behind the assassination. He expressed deep sorrow over the murder of Salman Taseer, saying he lost a good friend and a national hero. He said that the killer of the late Governor Punjab, Mumtaz Qadri, was a personnel of Punjab Elite Force and was deployed for Taseers security. The killer surrendered himself to police after the attack. He added that the murderer had confessed his offence. Malik informed that a joint investigation team had been constituted under the supervision of DIG Islamabad Police Bin Yamin to probe into the assassination of Salman Taseer saying that the inquiry team would submit its report with 24 hours. Federal Minister Malik said the Punjab Police was responsible for the Governors security and Elite Force personnel of Punjab Police would be interrogated in this connection.