Embodiments presented herein provide systems, methods and articles of manufacture for a computer-implemented method to monitor users interacting in an online multiuser environment. For each message sent by a user during a session, determining, via a first classifier, whether the message is either acceptable or unacceptable for the online multiuser environment. Upon satisfying a triggering condition for the session of the user, determining, via a second classifier, whether to escalate the session to a moderator for review.