assume they were together so maybe the dogs have picked up a scent. that's what i would think it would be they're closing off that area doing a crunch effect where they're closing in the area. >> what does it say to you, tom, it's been two hours since the authorities -- the border patrol in effect shot and killed richard matt but they haven't yet over the past two hours been able to find the other killer. >> it doesn't surprise me if he had a chance to run into the woods as the shooting was taking place or if he had already separated. so we don't know that but if they're using the term hot pursuit, the common use of that term is you're in chase mode you have him or are very close, or the dogs are howling and they're chasing him through the woods. that usually is a term means they're very close. >> but it's an extremely dangerous moment. you have to assume that david sweat, matt is armed. >> he's a cop killer so we've