A paradigm-shift in our thinking and approach to ending violence, Dr. Slutkin shows that using the epidemic control system that rid the world of other epidemic diseases, also stops violence.
After 20 years fighting epidemics of infectious diseases in the U.S., and abroad with the World Health Organization, Dr. Slutkin returned to Chicago and saw violence acting the same way as these other diseases. He then founded Cure Violence Global to show that violence not only behaves like other epidemics, but its spread can be interrupted and stopped using the same playbook. This approach is now being used widely and for many types of violence.
In this book, Dr. Slutkin reveals how we now can understand how violence spreads from person to person and from country to country through invisible brain processes that can now be identified. He also found that both the contagion and its interruption can work for all forms of violence from child abuse to community violence, violence against women, suicide, and even war, genocide and tyranny. The book provides stories and data on success for several of these different forms of violence in Chicago, Baltimore, NYC, Honduras, Mexico, Colombia, Iraq, Syria and even to stop a potential nuclear war between the U.S. and North Korea.
With this new book, we now have not only a new diagnosis of violence – a disease - but a new method to stop it – with results in dozens of communities and countries, as well as a whole new understanding, language and even a whole new set or workers.
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Public Health Pioneer
Dr. Gary Slutkin is a physician and epidemiologist formerly of the World Health Organization, the Founder and CEO of Cure Violence, and an innovator in epidemic management, public health, behavior change, and data-based approaches to local and global problems.
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Gary’s Ted Talk
Violence Is a Contagious Disease
It is now scientifically clear that violence behaves like a contagious and epidemic disease. People at heightened risk for violence have acquired this susceptibility in the same way that people acquire other contagious diseases—through exposure.
This is good news. We have methods for stopping epidemics.
Logan Square, Chicago (USA)
Reduction in Shootings
Cookham Wood Prison (United Kingdom)
Reduction in Group Attacks
San Pedro Sula (Honduras)
Reduction in Shootings
Port of Spain (Trinidad & Tobago)
Reduction in Violent Crime
The Approach Has Worked for Communities Across the World.
Over the last 25 years, the approach has been applied to over 80 cities across the world in more than 20 countries.
San Pedro Sula, Honduras: The world's most dangerous city, killings dropped 94%.
Chicago: 41-73% decrease in shootings in multiple neighborhoods; now with the lowest homicide rate since the 1960s.
Baltimore: the lowest number of homicides in 60 years, with more than a dozen communities with zero homicides for all of 2025.
New York City: record lows in shootings, city as a whole; safest year in Brooklyn’s history.
Over 90 cities using the variations of the approach in the U.S.; homicide rates rapidly diving across the entire country.
Culiacán, México: 90% reduction in killings
Cali, Colombia - 74% reduction in killings
25 violent communities in 14 cities have gone to zero killings for up to three years.
Results with this approach are shown for community violence, tribes, cartels, in prison violence in the UK, election violence in Kenya, political violence in the pacific northwest, and in war zones in Iraq and Syria.
Let’s End Violence Together
It is now scientifically clear that violence behaves like a contagious and epidemic disease. People at heightened risk for violence have acquired this susceptibility in the same way that people acquire other contagious diseases—through exposure.
Past exposure to violence is the strongest predictor of violent behavior, and each violent event represents missed prior opportunities for prevention and current opportunities to stem progression and spread.
Now is the time for our nation’s health care and public health systems to work with communities and other sectors to stop this epidemic. Each of us has a role in making this happen.
Gary Slutkin, MD
Founder, Cure Violence Global
Author, End of Violence