“…It is conceivable that formal warrants are only the ''tip of the iceberg'', with the bulk of privacy intrusion by state officials occurring outside the warrant system through use of these consensual monitoring exceptions. 50 From a regulatory perspective, the toleration of consensual monitoring promotes reliance on undercover agents and informers, thereby increasing the risk of both entrapment and other unfair proactive policing measures, such as covert interviewing (Bronitt, 2004;Marx, 1988).…”