Free by error, ex-radical back in prison (AP)

Sara Jane Olson answers questions during a news conference Wednesday, Oct. 31, 2001, in the Criminal Courts Building in Los Angeles. The former Symbionese Liberation Army fugitive who hid for years by posing as an ordinary housewife was released from prison Thursday March 20, 2008 after serving time for trying to bomb police cars, corrections officials said.  (AP Photo/Nick Ut, FILE)AP – Just days after her release on parole, a former 1970s radical was headed back to prison Saturday to serve at least one more year after corrections officials said a miscalculation resulted in her early release.