Nancy Matts News Today

>> we tracked the communication that he sends to that copy machine at the activity center. we had detectives go back to xerox company and theyd confirm thats where it came from. he was on a list with several thousand others. if you were a mate ewhale between 18 and 35, you were on that list. we couldnt match any other list . >> reporter: and they had the killers voice on tape from that time he boldly called 11 to tell them he murdered nancy matts. in time, police were able to get the quality enh...