Find ways to support organizations that work on issues around criminal justice, such as Lawyers with a Camera, founded by the filmmakers of Presumed guilty. For information, visit http://www.presuntoculpable.org/en/cause/
Join efforts to free innocent prisoners. In the United States, local affiliates of the Innocence Project can provide suggestions on how to start or where to find support for ongoing initiatives.
Work with a local law school or bar association to stage a debate on whether or not to require cameras in every courtroom.
Convene a screening of Presumed guilty as part of a teach-in on the pros and cons of the death penalty, especially in the context of discussions about how to deal with cases involving Mexican drug traffickers.