Russian officer helped Ukraine kill over 300 troops by leaking military secrets

Russian army lieutenant Lev Stupnikov took a perilous stand against his own military by secretly supplying Ukrainian forces with critical intelligence. His actions led to the targeted elimination of more than 300 Russian soldiers and deliberate sabotage of weapons systems, culminating in his flight to the Russian Volunteer Corps as a direct challenge to Putin's leadership. Stupnikov’s bravery reshaped the landscape of the ongoing Ukraine conflict.