Your Lyin’ Eyes

What to do about eyewitnesses who get it wrong.

The police suffered a big setback in the D.C. sniper case yesterday when it was determined that a witness was lying. (That man could now face up to six months in jail, according to But even honest eyewitnesses are notoriously unreliable. In May, Steve Chapman argued in Slate, “[I]t’s time the criminal justice system recognized that, in some instances, the very last thing you can believe is what you saw.”