more stuff

http://www.citizenreviewonline.org/2010/Dec/trails_boost_crime.html
http://www.brucefreemanrailtrail.org/trail_plans/rail_trail_studies.html
http://habpi.org/trail_benefits_article.pdf
http://www.bicyclinginfo.org/library/details.cfm?id=2453
http://www.bicyclinginfo.org/search/more_results.cfm?searchbox=trail%20crime&source=pub
http://ridethisbike.com/2007/02/7-bike-trail-benefits.html

stuff

http://www.greenway.org/pdf/la_bikepath_safety.pdf
http://laist.com/2008/03/19/bike_path_blame.php
http://www.thewashcycle.com/2008/09/the-trails-brin.html
http://hamptonroads.com/2010/06/after-dark-beach-bike-path-becomes-crime-corridor