Final answer:
The 'Jack the Ripper' crimes took place during the 1880s in London's East End. The serial killer was never identified or caught.
Step-by-step explanation:
The 'Jack the Ripper' crimes took place during the 1880s. These crimes occurred in London's East End, a poor neighborhood, where most of the victims were targeted. The serial killer was never identified or caught, and the case remains one of the most famous unsolved crimes in history.