Russian Wagner mercenaries seized in Ukraine on the "lies" that lured them, and threats that kept...

For months, the battle for the eastern city of Bakhmut has been one of the most dangerous front lines in Russia's war on Ukraine. Vladimir Putin's forces have thrown everything from heavy artillery to savage trench warfare into trying to wear down Ukraine's resistance and take the city.

At the vanguard of the battle have been scores of men from the Kremlin-backed paramilitary Wagner Group — a force bolstered by mercenaries recruited from Russia's notorious penal colonies.

CBS News met two of these guns-for-hire, men who were seized in the east and are now being held by Ukraine's military intelligence.