How to adjust an automatic shifter

Customer called and advised that the ignition key to her 1993 Saturn SC1 was stuck in the ignition and could not be removed. Upon my arrival I tried all of the following: 1. Turn steering wheel back and fourth 2. Push shifter lever all the way in to the parked position 3. Rock the car back and fourth to see if that would force the vehicle into park so the key could be turned to the locked position. After all of the above steps failed, I lightly tapped the key with the side of a hammer to see if that would free everything up, but to no avail it would not. At this point I grasped the key with a pair of vice grips and rocked the key back and fourth and from side to side in an attempt to free up what ever might be binding it in there. I was able to get the key to turn just far enough to where the oil lights came on and then I was able to use a hook pick to depress the active retainer and remove the lock and housing assembly. I was able to start the vehicle but could not use the key to turn it off thus I had to pull the two fuses (battery & alternator) which stalled the vehicle. I checked all of the other fuses using a contenueity tester and all are good. So having said all that, my question is what would be wrong that is preventing me from turning the key to the off (locked) position and then back on again? I removed the ignition switch to expose the tail piece on the opposite side of the key and it still will not turn to the offposition. Any help would be greatly appreciated, thank you all very much for your time. Glenn R. Kraniske Universal Lock & Key