For more than twenty years, Mark Mariani suffered from Crohn’s disease. In the fall of 2010, he was told about medical advancements that brought renewed hope for a better quality of life. To celebrate he went to his favourite country bar. The following morning his family received a call from the police. Mark had been found dead in a northwest Calgary parking lot. Join senior crime reporter Nancy Hixt as she walks you through the trail of evidence police uncovered to learn how Mark Mariani came Face-to-Face with Evil.