A new government report has found an intelligence program that formed a major part of domestic counterterrorism efforts in the United States has been almost entirely useless. A bipartisan report released by a Senate subcommittee examines the network of so-called “fusion centers” created after the 9/11 attacks to promote intelligence sharing among local, state and federal authorities. Investigators have accused the centers of becoming bastions of waste that collected practically no useful information and potentially violated people’s civil liberties. According to the report, the centers “often produced irrelevant, useless or inappropriate intelligence … and many produced no intelligence reporting whatsoever.” As much as $1.4 billion in taxpayer funds designated for the centers has gone unaccounted for by federal officials, the report found.