One year after the worst terrorist attack in Spanish history, the Spanish police continue to uncover and thwart new plots involving Islamic militants, according to senior Spanish intelligence and law enforcement officials. Despite sweeping measures to improve their ability to investigate potential terrorism since the bomb attacks that killed 191 people on March 11, 2004, and one police officer in the aftermath, the officials estimate that there are hundreds of people scattered in cells around the country committed to attacking centers of power in Spain. Full Story