Kidnapping, robbery and even murder are becoming the cost of doing business in Mexico for Canadian-run precious metals mines. Gold producer McEwen Mining (MUX.TO 0.00%) is the latest victim, with armed thieves making off with gold concentrate worth $8.5-million US. For a look at the heist and investigation, and how the company will improve security at its El Gallo 1 mine, BNN speaks with Rob McEwen, Executive Chairman of McEwen Mining.