Before Forensics

In 1922, Edith Thompson was hanged for murder despite no physical evidence linking her to the crime. Her conviction rested entirely on passionate love letters that a jury interpreted as conspiracy. Modern DNA analysis would have proven her innocence immediately.

Before forensic science existed, innocence couldn't be proven and guilt couldn't be certain.

Victorian and Edwardian Britain witnessed a golden age of murder mysteries not because killers were more clever, but because the science to catch them barely existed. Poisons were undetectable. Blood couldn't be typed. DNA was unknown. Serial killers moved invisibly between jurisdictions. And once convicted-even wrongfully-there was no appeal.

BEFORE FORENSICS examines twelve cases through the lens of modern forensic science, revealing exactly what twenty-first century technology would discover:

VICTORIAN POISONERS WHO KILLED UNDETECTED:

• Florence Maybrick - Convicted of arsenical poisoning on ambiguous evidence that modern toxicology would resolve definitively
• Adelaide Bartlett - Acquitted because Victorian doctors couldn't explain chloroform administration that modern forensic pathology would clarify immediately
• Charles Bravo - Antimony poisoning with three suspects; modern DNA would identify the killer from evidence on the wine bottle

• Mary Ann Cotton - Murdered dozens across multiple jurisdictions; modern pattern recognition would stop her after the second death
• Dr. Thomas Neill Cream - Poisoned prostitutes whilst Victorian police failed to recognize serial killer patterns that modern ViCLAS databases would flag immediately
• Amelia Dyer - Murdered up to 400 babies over decades; modern child protection databases would catch her after the first suspicious infant death

• Edith Thompson - Hanged for love letters despite zero physical evidence; modern forensic linguistics and DNA would prove her innocence
• Oscar Slater - Served 19 years based on mistaken identity; DNA from the crime scene would exclude him instantly, and proper eyewitness protocols would prevent the misidentification
• George Edalji - Imprisoned on pseudoscientific handwriting analysis and racial prejudice; modern forensic document examination would exonerate him immediately

• The Green Bicycle Case - Primitive ballistics couldn't prove guilt; modern firearms analysis would provide definitive answers
• Percy Lefroy Mapleton - Convicted on blood evidence that couldn't be conclusively linked; DNA analysis would resolve the case immediately
• Israel Lipski - Possibly wrongfully convicted; modern forensic reconstruction would prove whether poison was self-administered or forced