PrimeWire

You can now watch the entire National Geographic: Lincolns Secret Killer movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

Was Abraham Lincoln dying of cancer when he was killed? NGC is on the front lines as scientists attempt to solve a genetic mystery using a piece of fabric stained with the presidents blood to run DNA analysis. The final year of Lincoln's life seemed to age him a decade, and he had lost an alarming amount of weight. Even today, his strange body shape, unusual height and long limbs have led to speculation that he harboured some hidden medical problem.