Wide Angle anchor Daljit Dhaliwal introduces Cause for Murder. The deaths of two prominent human rights lawyers force the Mexican government to come to terms with political violence. Digna Ochoa challenges injustice at the highest levels and exposes abuse by the police and the military. Marigeli Tames, a young lawyer who fought to bring an end to corruption in Mexico, dies in mysterious circumstances. The investigation into Digna Ochoa’s murder. Daljit Dhaliwal interviews Enrique Krauze, publisher of Letras Libres and author of Mexico: Biography of Power.