LITTLETON, Colorado (CNN) -- After word from the bomb squad that a suburban Denver high school was safe, investigators entered the building on Wednesday to collect evidence and photograph the scene of the rampage that left 15 people dead, including two teen-age suspects.

CNN: School cleared of bombs, investigators enter

Recall how in 2007, the "Paulbots" were everywhere: running up the numbers on every online poll they could find, generating one-day fundraising records in a desperate bid for national attention (they coined the word "money-bomb"), and creating massive amounts of voter-generated media on his behalf.

CNN: Will his 'Paulbots' torpedo Ron Paul in Iowa?

At the bomb site in Oklahoma City survivors wore expressions of joyous incredulity as the word "guilty" echoed 11 times across the grounds.

CNN: For many, verdict means justice