Gladis Silgado is alive today thanks to her loyal dog who barked and woke her up while her home was consumed by a ravaging fire. The woman never imagined that after having a heated discussion with her neighbor, Cristóbal Montero Medina, the man would try to kill her and her teenage daughter by setting their house on fire, but that’s just what happened in Cartagena, Colombia, on April 9, 2015.