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

A Russian army lieutenant secretly supplied Ukraine with troop positions, military plans and other sensitive information, helping Kyiv kill more than 300 Russian soldiers.Lev Stupnikov, who served as chief signals officer in Russia’s 36th Motor Rifle Brigade, used his access to military communications and operational details to help Ukrainian forces identify targets and launch deadly strikes against his own unit.Stupnikov’s first major operation came in February 2024, when Russian soldiers and senior officers gathered for a training exercise near the front line in eastern Ukraine.He photographed the troops, estimated their numbers and sent the exact coordinates of the field to his Ukrainian handler. After being warned to leave the area, he moved away as Ukrainian forces launched a barrage of missiles.His phone buzzed. “Were there explosions?