Sean's areas of expertise include impacts from and deterrence of crime in urban parks, stressing offender behavior and spatial preferences coupled with multi-disciplinary strategies.
Sean is author of the first CPTED (crime prevention through environmental design) training program for landscape architects, entitled "Security Design: Strategy, Integration and Liability (www.asla.org/ContinuingEducation.aspx).
A security design consultant, he publishes and speaks to local, state and international audiences on trail design/planning as well as security in the landscape. His work has assisted trail development in Ferry, Stevens and Pend Oreille Counties of WA, Missoula, MT, Moscow, ID, Spokane, WA, Avery, ID and Colorado Springs, CO. He has also been a partner with the Rails-to-Trails Conservancy on trail planning projects.