Beyond the front lines in Ukraine, a covert war between the Kremlin and Kyiv is intensifying — with car bombs, assassinations and the involvement of a designated terrorist group with Canadian ties. National security reporter Ben Makuch explains how this shadow conflict is reshaping the war — and what it reveals about who’s gaining ground. For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC