On first glance, this may appear to be an underwater photograph of a green sea turtle (Chelonia mydas) drifting through the sea. But can you spot the human handprint? What seems like a tranquil moment in nature also tells a deeper story. This image demonstrates an innovative forensic method used to uncover hidden evidence that can help identify and catch poachers and wildlife traffickers.

Using special fluorescent powder dyes photographed under ultraviolet light, investigators can reveal details invisible to the naked eye — hand and fingerprints, traces of blood and other bodily fluids, gunpowder residue, and more. These techniques, adapted from traditional forensic science, are now being refined by wildlife forensic experts to meet the unique challenges of protecting animals in the wild. Each discovery brings critical clues that can support law enforcement efforts and strengthen cases against those who exploit vulnerable species.

While the presence of a human trace may be unsettling, it also represents something powerful: progress. The ability to detect and document these interactions means that illegal activities are becoming harder to hide. Science is giving a voice to wildlife, turning even the faintest evidence into a tool for justice.

Britta Jaschinski is an award-winning photojournalist known for her compelling investigations into the relationship between humans and nature. Her distinctive photographic style sheds light on environmental and wildlife crimes, often serving as powerful evidence to urge governments, lawmakers, businesses, and the public to take meaningful action towards a more sustainable future. 

Working with authorities and environmental organisations, Jaschinski’s work is featured in international publications like National Geographic, Time Magazine, Geo and many more.  Outside of her assignments, she is a sought-after speaker at major photography and conservation events, where she addresses large, global audiences. 

Born and raised in Germany, she is currently based in London, United Kingdom.