Liptak, Adam. "Expunged Criminal Records Live to Tell Tales"  The New York Times 17 October 2006

In 41 states, people accused or convicted of crimes have the legal right to rewrite history. They can have their criminal records expunged, and in theory that means that all traces of their encounters with the justice system will disappear.

"Broken Criminal Records" The Boston Globe 22 May 2007

PEOPLE CONVICTED of crimes in Massachusetts aren't exiled to faraway Devil's Island or Siberia, and the vast majority of those sent to prison in the state do get out at some point. So then what? Ex-cons are less likely to fall back into crime if they can establish law-abiding lives upon their release.