This screening process is not limited to the viewing of Web sites, however. It also blocks users from discussing these forbidden keywords on chat programs such as Internet Relay Chat. Once these keywords are mentioned or certain individuals identified as undesirable enter the chat room, the user will be kicked off the discussion. When Tory Christman worked as an operative for OSA, other OSA operatives removed the program from her computer to allow her to analyze what critical material was being spread on the internet about Scientology. Some time after the software was removed, Christman encountered the Operation Clambake Web site and had online discussions with its operator Andreas Heldal-Lund, which eventually led to her leaving Scientology through a public announcement on Alt.religion.scientology.