Mr. Locksmith Broken Key & Locked Out Video.
For further info go to http://mrlocksmith.com/
I wish all lock outs with broken keys in key-in-knobs were this easy. The broken key was in the perfect position so all I had to do was insert a flat bladed screwdriver and open the door. I then removed the cylinder from the knob, removed the end cap retained and remove the plug and the broken key.
