Digby: Innocent Schminnocent

In recent years many states and cities have moved to overhaul lineups, as DNA evidence has exposed nearly 200 wrongful convictions, three-quarters of them resulting primarily from bad eyewitness identification.

In the new method, the police show witnesses one person at a time, instead of several at once, and the lineup is overseen by someone not connected to the case, to avoid anything that could steer the witness to the suspect the police believe is guilty.