Over the weekend, Rice called up Pakistan President Asif Ali Zardari and virtually ordered him to do cooperate with Indian investigators, so that they could follow the trail 'to wherever it led.'
Preliminary investigations show that the terrorists were from Pakistan and trained by the LeT, an al Qaeda affiliate that has been blamed for several attacks across Kashmir and the rest of India. There also seems to be a Bangladeshi link to the whole matter.
President-elect Barack Obama also spoke to Prime Minister Manmohan Singh and said that he wanted to cooperate with India in the investigations. A team from Scotland Yard also arrived in India.
India and the US are stepping up the ante against Pakistan, where some of the world's most advanced anti-West, anti-India and anti-Israel Islamist groups continue to train militants.