 Witness reports from the Norris Hall classroom building Norris Hall, the building at Virginia Polytechnic Institute and State University, where most of the shooting occured .
<fluency>  Witness reports from the Norris Hall classroom building Norris Hall, the building at Virginia Polytechnic Institute and State University, where most of the shooting occured .
 Witness reports from the Norris Hall classroom building Norris Hall, the building at Virginia Polytechnic Institute and State University, where most of the shooting occurred .