North Korean weapons are killing Ukrainians. The implications are far bigger

On 2 January, a young Ukrainian weapons inspector, Krystyna Kimachuk, got word that an unusual-looking missile had crashed into a building in the city of Kharkiv. She began calling her contacts in the Ukrainian military, desperate to get her hands on it. Within a week, she had the mangled debris splayed out in front of her at a secure location in the capital Kyiv.