teresa gaylin was murdered when she was just 16 years old. and today her family hopes that her case will be solved. >> she was the type of girl who would talk to anyone who she came across. >> reporter: young and lovely, that's the way she rememb passed. december1978, teresa cogley had left a party at a bar when she was picked up by a group of men and allegedly sexually assaulted. the girl was seen hitchhiking but never returned home. her naked body was found in a ditch two days later. now kelly and her family are on saturday, they're holding a fundraiser to pay for the expenses because she says the district attorney's office will not pay. >> we understand the state has tried, did the best they could. but when we're being told that the one last thing that you could possibly do is to exhume her, to see if there could be any trace dna evidence under her nails, something from a suspect, that's the one thing now that my family is focused outstoupbding. -- outstounding. >> i cannot believe how many people remembered her. and want to help. >>> a ca