Mary Kelly was the only of Jack the Ripper's canonical victims not to be founds outdoors. She was murdered in her rented room and left there.
Catherine Eddowes was murdered on September 30, 1888, not on November 7, as the team's record said.
It is stated that Sir William Gull died six months after November 1888. However, in reality, he died on January 29, 1890.