Cristian David Daza was drinking in his local in Bogotá and smoking his favourite brand of cigarette. The problem with this small scenario is that on December 1st just past Colombia finally caught up with the rest of the world and banned smoking in public places, including, of course, Cristian's watering hole.
When the first waiter asked him to stop smoking, he just carried on. So a second waiter on duty told his colleague not to serve him any more. Cristian reacted by stabbing the waiter in the shoulder and then, when chased down by the bar's owner, stabbed the owner in the chest twice and killed him.
Nice place, no? Or in the words of the Bogota Tourist Promotional Committee's own English language website: