The US said that it is working closely with India on the Headley-Rana case to detect and prevent future terror attacks. US Ambassador to India Timothy J Roemer said in New Delhi that the two countries are working as partners better than ever before to facilitate information sharing, build capacity to prevent and respond to terror threats. He said, it also applies to mutual assistance in the prosecution of those who commit terror. Referring to the visit of the FBI team in India, he said it is clear and concrete evidence that the US and India are fulfilling President Barak Obama and Prime Minister Manmohan Singh’s vision of unparallelled and unprecedented cooperation in the counter terror arena.<br/> <br/>The joint team of Department of Justice and FBI briefed the Indian law enforcement agencies about the leads emerging from the investigations of US national David Headley and his associate Tahawwur Rana, arrested by the FBI in October this year, for allegedly plotting terror strikes in India and Denmark.<br/> <br/>Meanwhile , reports say, David Headley will soon be charged separately by Mumbai Police for allegedly conducting recce of targets hit by Lashker-e-Taiba terrorist in the metropolis in last year's audacious attacks. The decision to file a supplimentary chargesheet in the 26/11 case comes after the FBI approached the Chicago court in the US and gave details about the reconnaissance missions carried out by the American national at the behest of Lashker. During his multiple visit to India, Headley is accused of taking pictures and making videotapes of various places, including those targeted on 26/11 by terrorists belong to LeT.<br/>