Snipes

Just goes to show how much disruption two people can create if they set their minds to it.

In a country of 300,000,000 people it's truly surprising that such instances of terroristic violence don't occur far more often. These guys were basically outliers almost 6 standard deviations away from the mean; after marinating in America's fear-based culture, ones intuition about such things tends to skew towards assuming that terroristically violent people would be FAR more common.
Thinking about it, this kind of restores your faith in human nature: just about anybody *could* do this, but far fewer than than one in a million actually do.

In related news we don't know them and not to be on anyone's jock or anything but Malvo BTM hands down takes the prize for best tag name going in graffiti right now... the crosshair "O" c'mon son. Too good.