“…In addition, johns use these methods to describe and warn others about the presence of law enforcement or particularly active community groups in a given area (see Holt & Blevins, 2007). As a result, these on-line forums can provide insight into the nature of displacement and the methods johns use to obviate the wide range of targeted law enforcement strategies to reduce levels of street prostitution (see Matthews, 1993Matthews, , 1997Norton-Hawk, 2001;Sagar, 2005;Scott & Dedel, 2006). Web forums have become an increasingly important resource to understand offender behavior, as they enable direct and observable communications between individuals to discuss a variety of topics (see Holt, 2007;Mann & Sutton, 1998).…”