Forensic science and the Zodiac killer

Forensic handwriting analysis has confirmed that the woman probably helped write some of the Zodiac killer's notes to police as the woman has claimed.

She came forward after seeing a police sketch of the Zodiac Killer, and memories of things she had witnessed while with her stepfather came flooding back.

Zodiac killer's 'daughter' talks to police
3 News NZ - Auckland,New Zealand
Upon seeing a police sketch of the murderer, she realised it was her father. The 47-year-old met with homicide detectives on Wednesday after top forensic ...