A devastating accident in Puebla, Mexico, has silenced a family once celebrated as the picture of love and unity. Andrés, a civil engineer; his wife Clara, an elementary-school teacher; and their two children—ten-year-old Mateo and six-year-old Valeria—were inseparable. Weekends meant volunteer projects, picnics in the park, and long walks through their quiet neighborhood, where they were known simply as “the ideal family.”

Last Sunday, they set out to mark Clara’s birthday with a weekend in a forest cabin, eager for board games by the fire and fresh mountain air. Continues…