Will new technologies make it easier to catch killers like Daniel Johnston who murdered Donna Walker but took 30 years to catch?

James Wray

Administrator
Daniel Johnston murdered Donna Walker in a savage attack where he stabbed her 50 times.

However, it took 30 years for him to be brought to justice for the crime. He was already serving life for murder when his prints were run through the national database and a match obtained.


As technologies like DNA testing become even more advanced and new ones like facial recognition become more widespread, will we see less cold cases?

Is there a conflict with privacy and protection?
 
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