. >> all right, thavnnks, you guy. new video shows a frightening scene playing out, the store owner forced into the back at knife point. his safe emptied out. >> the store hasn't opened since. tonight, police want you to get a good look at these guys. >> reporter: this video will make you angry. this man just working in the store. a woman who works nearby said he was so frightened, he believed that the robbers knew his routine. >> even without sound, the brutality and the terror of the victim comes through loud and clear in this video provided by fairfax county police. the owner was alone inside sophia jewelers monday just after 10:00 a.m. as he was setting up his display cases, two men entered the store. despite temperatures in the 50s, both were wearing sweatshirts with the hoods pulled up. they pretended to browse the jewelry. and then, one man put a large knife. they dragged the terrified wo worker into a back room. he tried to close the door of the safe but failed. one robber held a knife to the man's throat while