experts concluded from its size that it was not the murder weapon. >> it was an unsophisticated attempt to lead police in the wrong direction or to perhaps somehow we would conclude that it wasn't a murder. >> the lack of blood at the scene, along with grass and dirt stains on the victim's pants confirmed what police already knew. >> it's a secondary crime scene for sure. what was apparent to us at once, one, she didn't die there. two, she didn't get into the vehicle under her own power. >> devon's body had been covered with her own jacket, which investigators found revealing. >> that's kind of a symbol to us that it was somebody who cared about her. we usually start with the people closest to the victim and then we work outwards. >> devon's roommate, keary renner, was immediately considered a suspect. the two had been lovers. >> devon meant the world to me. and i loved her for who she was. and we were in love because it was real.