Forensic scientists could use DNA retrieved from a crime scene to predict the surname of the suspect, according to a new British study.

It is not perfect, but could be an important investigative tool when combined with other intelligence.

Subscribers to Current Biology can read the full paper; anyone can review the technical summary. From the summary:

A large surname-based forensic database might contribute to the intelligence-led investigation of up to ∼70 rapes and murders per year in the UK.

DNA 'could predict your surname'