Sin by Silence (2009)

Sin by Silence is a domestic violence documentary film by Olivia Klaus about women who have killed their abusive husbands. Based on the first inmate-initiated and led support group in the entire United States prison system, the film reveals the history and stories of the members of the group Convicted Women Against Abuse created by inmate Brenda Clubine in 1989. By following five women's abusive experiences that led to their incarceration, the film take viewers on their journeys from victim to survivors, reveals the history of the Battered Women Syndrome in the state of California, and shatters misconceptions.