- Aired: 09/13/2011
- Rating: NR
This clip, from 'If A Tree Falls: A Story of the Earth Liberation Front,' describes how members of the ELF were able to covertly communicate and evade authorities. It describes the "book club" that trained new recruits in using books as a code source, before beginning to work with computer encryption techniques.
Major funding for POV is provided by PBS, The John D. and Catherine T. MacArthur Foundation, the John S. and James L. Knight Foundation, Bertha Foundation, Marguerite Casey Foundation, Corporation for Public Broadcasting, National Endowment for the Arts and the New York State Council on the Arts, with special support from The Fledgling Fund.