>> it was early on a saturday morning underneath a bridge in burlington township, new jersey, when an atv rider found the body of a young woman. he assumed she'd taken her own life. >> we just see a young girl, she looks like she's about 20 to 30 years old, about 100 pounds. she had no i.d. on her. >> the damage to her body was consistent with a drop of about 12 to 14 stories. >> insect activity indicated she'd been dead several days. but who was this woman? police released a description to the media. >> her manager from work called in, an ex-boyfriend called in saying that they recognized the description of the jewelry she was wearing. >> from the victim's butterfly pendant, she was identified as 21-year-old rachel siani. >> i kept telling myself that it wasn't true, and i told myself