Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo.

He was a man, though for most of my childhood, that name was a brand, a company, a kind of autumn wallpaper ... Halloween costume from the store. You know the one. Cardboard box. Cellophane top ...

Police claim he wore a nightmarish rubber Halloween skull mask to killer his vulnerable victim. The face covering was found to have more than 100 blood spots and traces of Miss Waring's DNA ...