• Penn LDI : John M. MacDonald discusses Policing, Race, and Health - Prospects for Reform

  

• Penn Arts and Sciences - OMNIA Podcast : John M. Macdonald on policies and programs which change land of places to greening vacant lots can reduce crime and violence in neighborhoods

  

• Penn Arts and Sciences 60-Second Lecture: John M. MacDonald on Using Science to Design Safer and Healthier Cities

  

• Penn Law School’s Third Visual Legal Advocacy Roundtable: John M. MacDonald on Making Sense of Surveillance and Vérité Footage from the Streets