
Trying to understand serial killers.

Dennis Rader, church deacon, scout leader and family man, killed 10 people in cold blood.

Voted most likely to succeed in high school, Herbert Mullin kills 13 people by the age of 25.

Killing cousins committed a series of murders that left the women of Los Angeles terrified.

Charles Manson and his "family" kill seven people over two nights; detectives, attorneys and psychiatrists try to understand why.