At that time, a foreign scientist bought a victim's clothes at a high price, extracted a small amount of DNA from the clothes, and then compared it with the suspect's DNA.
Finally, it was concluded that Aaron Cosinski was the murderer in London. Aaron cosmi, identified as the Ripper, and his victims both live in slums in the East End of London or engage in prostitution nearby, and they have a deep geographical relationship. People think this evidence is very credible.
In fact, in the19th century, the police had found many suspects when they solved the case. Aaron cosmi was one of them, but he was excluded because of insufficient evidence. After this investigation, it was found that Aaron Cosinski was a psychopath. He often had hallucinations and always felt that someone was trying to frame him, so he repeatedly attacked unarmed women.
20 14 On September 7th, 48-year-old British businessman Russell Edwards confirmed the identity of the murderer through the media. Edwards and forensic experts analyzed and compared DNA samples. But this kind of DNA is ubiquitous in 90% of European descendants, and it is difficult to prove that it is the murderer. There are still different opinions about the truth.
In addition, there is Jack the Ripper's introduction in Conan's theatrical version of The Dead Man in Baker Street, which explains why Jack the Ripper killed women: Jack the Ripper was abandoned in the street by his mother since childhood, and her mother didn't pay any attention to herself, so he hated women since he was a child, which is why he killed five prostitutes.