Daniel J. Flannery is the Dr. Semi J. and Ruth Begun Professor and Director of the Begun Center for Violence Prevention Research and Education at the Jack, Joseph, and Morton Mandel School of Applied Social Sciences. His research has been published in a variety of scientific outlets including The New England Journal of Medicine, Developmental Psychology, Journal of the American Academy of Child and Adolescent Psychiatry, and Criminology and Public Policy. He is also author of several books including Violence in Everyday Life (2006), Wanted on Warrants: The Fugitive Safe Surrender Program (2013), and the upcoming Cambridge Handbook of Violent Behavior and Aggression (2nd edition, 2018). His primary areas of research are in youth violence prevention, the link between violence and mental health, and community-based program evaluation.
This epidemic can be framed in waves, starting prior to 2010 that began to rise, then plateau. The trend was largely focused around overdose deaths from prescription opioid pain relievers. Next came heroin. Wave three began in 2014, with an increase in illicitly manufactured fentanyl, often present in mixtures with heroin and cocaine.8 December 2021