this is the original mug and this is how zamora imagined what he could do. >> changing the clothing and extending the facial hair, and then also adding some eye wear to kind of distract people from looking at their eyes as well. >> reporter: hair on the face and head, he says are the two main ways in which men could change their appearance. just like harrison ford did in "the fugitive". >> i didn't kill my wife. >> i don't care. >> reporter: these real life fugitives could be doing simple things to their faces and it's possible that no one would spot them at least immediately. that's why these photos could be instructive or instrumental in cracking the case. >> reporter: anything that keeps the public aware and keep this case alive for people to be on the lookout is extremely valuable. >> reporter: dan simon, cnn, san jose, california. >>> still to come for you here on cnn, isis takes deadly aim at yemen's capital. next, the toll taken by four car bombs in sanaa. >>> back to our breaking news in the united states now. police in charleston, south carolina say nine people are dead after a

they say yes, then i know that i can draw the sketch. >> with each witness, zamora tried to induce atate of deep relaxation and then had them describe what they saw. eventually, these two drawings emerged from witnesses who had never spoken with each other. except for the sunglasses, the sketches were virtually identical. >> they were two independent witnesses, and they did not know each other. i think these witnesses both saw the same person. >> then police got a huge break. investigators using k-9 teams identified a potential lead. >> they were able to track a scent trail to a residential area in concord that was very close to the canal trail. >> a background check revealed a man living in this neighborhood had a criminal history. he also looked similar to the composite drawings. his name was mark fisher. >> he was known to be violent, violent to his relatives, violent to police officers and to other public officials. >> witnesses in the park were shown a photo lineup which included fisher's picture. >> at least three of the witnesses were positive that the photo of mr. fisher was

this is the original mug and this is how zamora imagine what he could do. >> changing the clothing and extending the facial hair and then also some eyewear to kind of distract people from looking at their eyes as well. >> hair on both the face and head he says are the two main ways in which men could change their appearance. just lice harrison ford did in the fugitive. >> i didn't kill my wife. i don't care! >> reporter: these real life fugitives could be doing something simple to their faces and quite possible no one could spot them at least immediately. that's why all these photos could be instrumental in cracking the case. >> i think anything that keeps the public aware and keep this case alive for people to be on the lookout is extremely valuable. >> reporter: dan simon, cnn. >>> greece the government is promising concessions to its international creditors. emergency meetings with euro zone leaders are set for monday. >>> meanwhile on saturday tens of thousands anti-austerity protesters were in london demanding an end to spending cuts. >>> an algia zeer jazeera journalist is arrest

and this is how zamora imagined what he would do. >> changing the clothing, and extending the facial hair, and then also adding some eyewear to distract people from looking at their eyes as well. >> reporter: hair on both the face and head, he says, are the two main ways in which men could change their appearance. just like harrison ford did in "the fugitive." >> i didn't kill my wife! >> i don't care! >> reporter: these real life fugitives could be doing simple things to their faces and it's quite possible no one would spot them, at least not immediately. that's why all these photos could be instructive, or maybe even instrumental in cracking the case. >> i think anything that keeps the public aware and keeps this case alive for people to be on the lookout is extremely valuable. >> reporter: dan simon, cnn, san jose, california. >> looking deeper into how fugitives stay fugitives and how to catch them. we're joined by michael tabman. also john cuff, head of the division at the u.s. marshals service. and former fbi assistant director chris swecker. the idea that they might attempt to