What methods were used to find Jack the Ripper?

To find Jack the Ripper, investigators employed various methods including forensic analysis, witness interviews, and public appeals for information. They meticulously examined crime scenes for physical evidence, such as blood samples and the victims' personal effects. The police also utilized the techniques of the time, such as profiling and analyzing the patterns of the murders to identify potential suspects. Despite these efforts, the case ultimately remained unsolved, highlighting the limitations of criminal investigation methods in the late 19th century.