Microscopic DNA Clue Solved the Case
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In the last video, we mentioned there was a microscopic clue that turned the entire case
around. Today, that truth. An iron rod was recovered from the
crime scene, which looked like just a piece of metal. But for the forensic
lab, it was a speaking witness. On that iron rod were microscopic
particles of blood and skin cells, invisible to the naked eye. But for DNA testing,
these are the most powerful. DNA profiling means extracting a unique biological code
from the body's cells. Just like a fingerprint, which belongs to only one person.
In this case, there were six suspects. DNA profiling, CCTV footage, mobile phone records,
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