Were russian spies trying to recruit him to work for them. Brian ross finds him today. And, two separate manhunts. The officer killed showing up to work. And in atlanta, the female lawyer targeted and killed during rush hour. New reporting tonight. Good evening. Its great to have you with us on a tuesday night. Were going to begin tonight with the images that have stunned the world. Its hard to imagine that after six years of war in syria, there could be something even worse than what many have already seen. Tonight, our team has taken great care to pour through the images, but we warn you, theyre still difficult to see. A chemical attack, war planes dropping what appears to be a toxic gas. The white house responding. Heres jonathan karl. Reporter tonight, outrage over these scenes of horror and suffering in syria. An apparent war crime, a suspected sarin gas attack by the government killing dozens and sickening many more, Young Children among the victims. Rescue workers desperately wo