would be btk. under that there's a return address, which turned out later to be fake, something numbered old manor drive, or old manor avenue which if you look at it, old man. >> the contents of the letter are shocking. >> it's three pictures of a woman lying on the floor and she looks like she's either dead or dying. beside these three images is a photocopy of a driver's license. vicki wegerle. >> "eagle" reporters immediately call the police. detectives open their cold case file on the september 16th, 1986, unsolved murder of vicky wegerle. >> vicky wegerle was a stay-at-home mom. entry was made through the front door. she was bound, tied, and her car was removed. >> detectives find a vital clue under one of her fingernails. >> she fought back, d she scratched him because she was, in her mind, defending her own