Burglars could be identified from airborne DNA
Skin cells, dandruff and saliva are largely responsible
A new study suggests that burglars may soon be identifiable through airborne DNA traces at crime scenes. Most people shed skin cells, dandruff, saliva, and other genetic material, which can become suspended in the air as a "personal debris cloud" after they leave a location. A team led by Chiara Fantinato from Oslo University Hospital conducted a study in which volunteers pretended to burglarize houses, and their DNA could be detected 30 minutes after they left.
The technique, known as environmental DNA (eDNA), has been used to track animals and identify individuals in various settings. Although the method is not foolproof and requires more refinement, it could potentially serve as an investigative tool for law enforcement. However, the researchers emphasize that it is not reliable enough to be the sole piece of evidence in proving someone's guilt and will require further development before it can be used in real cases.
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