Key developments on Dec. 6: Russian-linked former lawmaker Kyva assassinated outside MoscowUS charges 4 Russian soldiers with war crimes against American in UkraineBlinken announces ‘one of last’ defense aid packages unless Congress passes further fundingReuters: EU orders only 60,000 rounds for Ukraine under joint-procurement schemeUS company offers to help Ukraine build shelters using 3D printers.Illia Kyva, a pro-Russian former lawmaker, was found dead in Moscow Oblast on Dec. 6. According to the Kyiv Independent’s source in law enforcement, Kyva’s death was a special operation conducted by…