On January 18th, a shooting occurred in an upper middle class private school in the city of Monterrey, Mexico, by a 15 year old student of that institution. As soon as the news coverage started, it reported contradictory data mixing both formal and informal sources. The purpose of this article is to show the evolution of this coverage through the spatial frames given to the event during the first week after the incident, and reflect over the vulnerability that each frame has in making mistakes...