Forensic experts have obtained a DNA profile of the unknown killer of a schoolgirl raped and shot dead 62 years ago near Swansea, Wales. Scientists isolated the killer's DNA from a semen stain on the ...

Investigators find mixed DNA at Nancy Guthrie's home, offering new hope in the ongoing investigation. Learn about the challenges and potential breakthroughs.

A new report shows that the forensic system in England and Wales is failing everyone from police, forensic scientists, lawyers and victims of crime.

WASHINGTON, DC (2/8/23) --- STRmix™ – sophisticated forensic software capable of resolving mixed DNA profiles previously regarded as too complex or degraded to interpret – has played a key role in ...

Explore the complexities of the Nancy Guthrie case as forensic experts face challenges with mixed DNA and false leads.

Joseph Scott Morgan, forensic expert, details the crucial role of DNA evidence in the search for missing Nancy Guthrie. He explains advanced genetic testing, including the use of genealogical ...

Can DNA typing uniquely identify the source of a sample? Because any two human genomes differ at about 3 million sites, no two persons (barring identical twins) have the same DNA sequence. Unique ...