This has the effect of terror; first of all on university students all over the country, and then on their parents. By extrapolation, it’s likely to make us all much more uneasy about every environment we move through during the day, especially the workplace.
Mass murderers are increasingly targeting children, as at the Amish schoolhouse last October. Much of the killer’s m.o. today reminds me of that one, and yes I consider college students to be children. It is especially terrifying to see the young targeted.
Jihad is just another face of an evil force that manifests in other ways as well.