Dr. May has research and teaching interests in social problems, criminology, and deviant behavior. His recent research focuses on examining prisoners' perceptions of the punitiveness of incarceration, causes and consequences of school violence, and fear of criminal victimization. He has also authored or coauthored four books in these areas and is currently coauthoring two books, one about school safety and one about fear of crime. His work has been published in a wide variety of journals, including Justice Quarterly, Crime and Delinquency, The Prison Journal, Journal of Offender Rehabilitation, Journal of School Violence, and many others. David spends his spare time in a wide variety of outdoor activities with his family, including camping, bike riding, and horseback riding.