What could turn a 19-year-old student into a calculating cold-blooded killer? The political ideology is just the window dressing. Whether it's the Atlanta Olympics, Oklahoma City, the Twin Towers at the World Trade Center, the Sandy Hook Elementary School or the Boston Marathon, the one thing all of these perpetrators had in common was that they acquiesced to the diabolical.
Sane, rational, morally-grounded people do not blow up, shoot or otherwise wreak havoc on society. There is no moral justification for any of this, ever.
Watching two young men who looked like any other college students nonchalantly stride down a Boston street, knowing that the deadly cargo they carried in their backpacks would inflict carnage, was nothing less than chilling. And yet people still don't believe that the devil exists.