He created documentary projects exploring Irish history. Among these, "On God’s Mission, Lifers" and "The Nazarene" examine the experience and effects of Irish missionaries and NGOs in Africa, South America, and Asia. He directed the drama-documentaries "Waterloo’s Warriors" and "Death or Canada" which explore the participation of Irish soldiers in the Battle of Waterloo and the experience of migrants fleeing the famine for Canada during the Great Famine 1847. He collaborated with broadcaster Gay Byrne making two documentaries, "My Father’s War" revealing the terrible experiences of Irish soldiers during World War I and "Last Orders", which charts the rise and fall of the Irish Christian Brothers and the effects of child abuse scandals in Ireland.