Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Wife, Rights Groups Pressure Zimbabwe's Government to Find Missing Activist Columbus Mavhunga HARARE - Rights groups are renewing their demand that Zimbabwean officials investigate the case of a pro-democracy activist who went missing five years ago. Itai Dzamara was a fierce critic of the late president Robert Mugabe and his former deputy, now president, Emmerson Mnangagwa. On Monday, Sheffra Dzamara the wife of missing activist and journalist Itai Dzamara delivered a letter to President Emmerson Mnangagwa's offices in Harare. .