Made in America. Dead in Mexico. The massacre of a family this week highlights 'grave problem' of gun smuggling

Mexican authorities fear U.S.-made guns and ammunition are giving 'firepower' to criminal groups in a country where homicides are again on the rise.

Made in America. Dead in Mexico. The massacre of a family this week highlights 'grave problem' of gun smuggling

Made in America. Dead in Mexico. The massacre of a family this week highlights 'grave problem' of gun smugglingMexican authorities fear U.S.-made guns and ammunition are giving 'firepower' to criminal groups in a country where homicides are again on the rise.