intelligence services are focused on that area. they are trying to travel in from other parts of europe over land or by sea. and the issue is once they are there one of the only ways you know they are there is when these videos pop up. there is another one that just popped this week of a young woman who is described as jihad jane from toronto. the only reason the research group has identified her as a canadian citizen is because she failed to turn off her geo locating tags on her phone. so they found her phone traffic in toronto canada, and then within a few weeks, she showed up on the front lines in syria. in what they believe is some kind of intelligence-gathering capacity. i mean, this is really. >> terrifying? >> yeah. >> catherine, thank you. >> you are welcome. >> this is a fox news alert. a leading critic of russian president putin gunned down in moscow. the former deputy prime minister shot multiple times from a passing car as he walked on a bridge near the kremlin. the aassassination happening just one day before an opposition rally was set to take place.