WASHINGTON – A multibillion-dollar information-sharing program created in the aftermath of 9/11 has improperly collected information about innocent Americans and produced little valuable intelligence on terrorism, a Senate report concludes. It portrays an effort that ballooned far beyond anyone's ability to control.

What began as an attempt to put local, state and federal officials in the same room analyzing the same intelligence has instead cost huge amounts of money for data-mining software, flat screen televisions and, in Arizona, two fully equipped Chevrolet Tahoes that are used for commuting, investigators found.

The lengthy, bipartisan report is a scathing evaluation of what the Department of Homeland Security has held up as a crown jewel of its security efforts. The report underscores a reality of post-9/11 Washington: National security programs tend to grow, never shrink, even when their money and manpower far surpass the actual subject of terrorism. Much of this money went for ordinary local crime-fighting.