Ethan Humphrey is a Michigan State University doctoral student in criminal justice. He is also employed as a Research Assistant II at Michigan State University. His research interests include police staffing, community policing, crime reduction, use of force, and crime analysis. He earned his bachelor's and master's degrees in criminal justice from Radford University, where he was also employed as a graduate research assistant. During Ethan's tenure at Radford University, he assisted with funded projects relating to community policing and evidence-based responses to shooting incidents. Since graduating from Radford University in 2023, Ethan has worked on revising and creating new materials for Dr. Egan Green's new edition of The Police Manager and worked for an army ammunition plant. Ethan is currently assisting with research on hundreds of recruitment and selection tactics for police departments with Dr. Jeremy Wilson.