US has said it is committed to bring the perpetrators of 26/11 Mumbai terror strikes to justice. State Department spokesman Mark Toner told reporters at his daily news conference in Washington that the US sympathise with India, which has also been the victims of terrorism. Chicago trial on the Mumbai attacks on will start from 16th May . Investigative journalist Sebastian Rotella said in his latest article in the Washington Post and ProPublica.Com that the trial on 26/11 will throw fresh light on the ISI's role in the Mumbai terrorist attack. The first public hearing of the ISI's alleged involvement in the Mumbai attacks will begin withthe trial of Tahawwur Rana. He was arrested in 2009 and charged with providing material support in the attacks. The main witness will be David Coleman Headley, a Pakistani-American businessman-turned-militant who has pleaded guilty to scouting targets in India and Denmark. Rana allegedly helped Headley use his firm as a cover for reconnaissance.