Shannon J. Linning, PhD, is an Assistant Professor of Criminology at Simon Fraser University. She teaches courses in crime prevention, policing, and research methods. Her research explores how the owners and managers of property can create safer areas by suppressing crime opportunities at and around their properties. Her research explores how the owners and managers of property can create safer areas by surpressing crime opportunities at and around their properties. Her research appears in many academic journals, and she is the co-author of books, including Place Management and Crime: Ownership and Property Rights as a Source of Social Control.

Daniel W. Gerard, MS, is a retired captain and 32-year veteran of the Cincinnati, Ohio Police Department. He has published articles in both academic and practitioner journals and has served as an invited consultant, speaker, trainer, and instructor for numerous police agencies, universities, and organizations throughout the United States and Canada.

John E. Eck, PhD, is an Emeritus Professor of Criminal Justice at the University of Cincinnati. His work spans five decades, working with police agencies around the world, conducting research and developing thinking tools to aid crime prevention. He is one of the key architects of widely used crime problem-solving tools such as the SARA model, the crime problem triangle, the CHEERS criteria, and the General Problem-Solving Matrix. He has worked for the Police Executive Research Forum as its Research Director, the Washington/Baltimore High Intensity Drug Trafficking Area as its Evaluation Director, and at the University of Cincinnati, where he taught courses on police effectiveness, crime prevention, and professional writing.