What makes a Serial Killer tick? For each of the 10 multiple-murderers featured, Making a Serial Killer offers an answer.

America's youngest serial killer thought owning a loud dog was enough to kill one of his victims. One woman claimed she had the right to kill men because of what she had suffered when younger.

Reasons given for murder by each killer is forensically dissected in a series with gripping detective stories, heart-breaking first-person reports and interview footage from interrogation rooms as detectives themselves try to understand the actions of the serial killers they sit opposite.

We witness the world's first trans-gender serial killer, we witness the probable next victim of a multiple killer released and hear the chilling voice of Connecticut's worst serial killer as he blames his victims for their death.