Read an exclusive excerpt from the new book 'Little Shoes: The Sensational Depression-Era Murders That Became My Family's Secret,' by Pamela Everett, about the murder of her two young aunts and whether authorities punished the wrong man for the crime.
The murders of Libby German, 14, and Abby Williams, 13, shocked the small town of Delphi, Indiana because of their apparent randomness. But what makes this murder case different than most is that it is believed one of the victims may have captured audio and photo clues that point to her killer.
Dr. Mike Aamodt, forensic psychology professor at Radford University, on why female serial killers have declined over the years, why there was a big jump in serial killings in the U.S. between the 1960s and 1980s and his most surprising finding in his research of serial killers.
Over the last century, dozens of highly publicized child kidnappings have shocked the nation and ignited a public effort to prevent them. Now, missing-child awareness campaigns help spread the word more widely and quickly, resulting in finding many more of these kids.