DNA testing reveals identity of Jack the Ripper

Who was Jack the Ripper?

An author and Armchair Detective is claiming to have solved what is perhaps the most notorious murder mystery of all time.

Russel Edwards reveals in his book Naming Jack the Ripper what he says is the true identity of the serial killer who killed five women in London almost a 130 years ago.

Edwards writes the serial killer known as Jack the Ripper was a Polish immigrant Aaron Kosminski, who went to London in the early 1880s and was later committed to an insane asylum.

how does he know this? he credits the help of DNA analysis.

I am a hundred percent certain. Definitive proof. Conclusively proven. Put the case to bed. Weve done this, Edwards said. And to get DNA from the material on there, from both the killer and the victim is phenomenal. And to have it matched is amazing.

Molecular biologist Dr. Jari Louhelainen says he used a technique called vacuuming to remove DNA from a stained shawl purportedly belonging to one of the victims, Catherine Eddowes.

The DNA doesnt really lie so if you have a long stretch of human DNA, that doesnt appear from no where, so that is how sure we can be, Dr. Louhelainen said.

Edwards had bought the shawl at an auction in 2007, and had asked Louhelainen to help him find any clues that may be connected with the Ripper case.

The scientist said that infrared imaging revealed that the stains on the shawl were blood stains and were consistent with arterial blood splatter caused by slashing. Louhelainen claimed that the DNA from the blood stains found on the shawl was a match for Eddowes.

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DNA testing reveals identity of Jack the Ripper