More than two years into Russia's full-scale invasion of Ukraine, the Russian military has escalated its use of a tactic known as the "double tap." This method involves launching an initial strike followed by a delayed second attack, specifically aimed at targeting first responders. This tactic, widely considered a war crime, has become a horrifying pattern in Ukraine. Shelby embedded with Ukraine's State Emergency Service to gain insight into their vital yet dangerous work. Report by Shelby Wilder for Newsmax.