Criminologists believe they may have finally pinpointed the spot where Jack the Ripper lived. Based on locations of the Ripper's five victims, experts used geographical profiling techniques and analysed data of his last known movements.
Former Canadian police officer Dr Kim Rossmo calculated the killer lived in Flower and Dean Street, a rundown area in Whitechapel, east London - described at the time as "foul and dangerous". The street was found just off Brick Lane and destroyed during the Second World War.
Speaking at the Cheltenham Science Festival Dr Rossmo said: