This is a video of a show on Biography which Dr. Baden consulted on and discusses in detail. The second link, Part II of the episode, shows some disturbing photos dealing with child abuse. Just a heads up.

The Mary Beth Tinning Case, Part I
http://www.youtube.com/watch?v=hbjNhRLx1xY&NR=1

The Mary Beth Tinning Case, Part II
http://www.youtube.com/watch?v=SXj2RkdYMMA&feature=related