Putin thanks FSB for actions behind enemy lines, on line of engagement - "Operation Rat": SBU chief arrests high-ranking traitor after months of feeding FSB false intelligence - Kiev steps up terror attacks, acts of sabotage to intimidate Russians -- FSB chief - Russian tycoon secretly owned US flight app before FSB connection - FSB says Kiev-led plot to poison defense plant workers near Yaroslavl thwarted - Russia's FSB foils assassination attempts on defense officer, military blogger - Russia's FSB Claims Jailed Russian-Born American Developed 'Genetic Screening System' for Pentagon - FSB: Planned attack on defense industry thwarted - Ukrainian agent fails to plant bomb under car of Russian defense official -- FSB - Ukrainian intel agent plotted to plant bomb under car of Russian defense official -- FSB