A team of Indian investigators has arrived in Chicago and is preparing to interrogate LeT operative David Coleman Headley in connection with the 26/11 Mumbai attacks. The National Investigation Agency (NIA) team is headed by Loknath Behera and comprises two Superintendents of Police and a special public prosecutor. However, three days after the team arrived in the US to question Headley, there was no confirmation from US authorities as to when and what kind of access would be granted to the team. An FBI Chicago spokesperson told PTI the federal agency would not comment or provide any information on the Headley interrogation. The 49-year old Pakistani-American has been held at the downtown Metropolitan Correctional Center. Headley had pleaded guilty to conspiring in the 26/11 Mumbai attacks but struck a deal with US authorities in a plea bargain that saved him from the death penalty and extradition to India. The plea agreement had however said Headley would cooperate with foreign authorities and can be interviewed by them only on US soil.