Marina Litvinenko on Vladimir Putin being connected to her husband's death

He was assassinated in the heart of London - poisoned by a radioactive substance dropped into his tea. Now an inquiry has declared the killing of former Russian spy Alexander Litvinenko probably was ordered by Vladimir Putin. Alexander's widow Marina says the long-awaited report proves what he said on his deathbed. She's told Matt Barbet how she felt when she learned President Putin had probably approved her husband's murder.