The former mayor of Kupyansk, Ukraine, who surrendered his city to invading Russian forces in February 2022, died Tuesday night after being shot near his safe house in western Russia over the weekend. Gennady Matsegora is the latest of over a dozen collaborationist or Kremlin-installed officials in occupied Ukraine to have been killed or injured in targeted attacks. The majority of those targeted by saboteurs were attacked in the early months of the war, just before the Ukrainian counteroffensive of late 2022. Before the full-scale invasion, most of the individuals killed were armed actors, su…