jackie bensen in herndon now with more. >> reporter: this is the image of what police believe the suspectooks like, information provided by the victim in this case. scary in any language. but this case presents a dilemma for fairfax county police detectives. how do you warn women they might be in danger when they can't understand you? detective dave crawl from the fairfax county police department goes door to door at the trevors run apartment on sunrise vali drive in herndon. [ speaking foreign language ] >> reporter: many residents here don't speak english. he's showing them this drawing made from the description a woman who was assaulted by the man early sunday morning. he then fled. police say the victim woke up to find the man in her bedroom. she told tkts he was holding a weapon. they won't say what it is. and wearing some type of light-colored cloth wrapped around his head. police say some of the victim's family members were home at the time. this resident says she was unaware of the assault until she was told this evening in spanish. the victim said the suspect is a large man. six