We study a Force-down/Shoot-down intervention in Brazil that led cocaine traffickers to shift from air to river routes. Using data on cocaine production, homicides, and the network of rivers in the Amazon, we provide evidence that violence increased in municipalities along river routes...

We study a Force-down/Shoot-down intervention in Brazil that led cocaine traffickers to shift from air to river routes. Using data on cocaine production, homicides, and the network of rivers in the Amazon, we provide evidence that violence increased in municipalities along river routes...