Four human skulls destined for US found in cardboard box at airport
![Four human skulls destined for US found in cardboard box at airport](https://i2-prod.walesonline.co.uk/incoming/article25875824.ece/ALTERNATES/s615/0_Human-skulls-airport.png)
Mexico’s National Guard made the grim discovery as the remains passed through X-ray equipment
Mexico’s National Guard made the grim discovery as the remains passed through X-ray equipment