The FBI is asking hundreds of students to complete questionnaires that authorities hope will fill in some of the blanks in their investigation of last week's shootings at Virginia Tech. students say it asked them to explain what they were doing the night before and the morning of the rampage that left 33 people dead. It also asked if they knew either the gunman, Seung-Hui Cho, or his first victim, Emily Hilscher.

To read The Roanoke Times article, click here.