Jack the Ripper Finally Caught, Maybe

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armchair detective – (expression) a term used to describe who a person who does not personally visit a crime scene or interview witnesses. They instead, investigate by reading about it.

evidence - (n.) material that is presented to a court of law to help find the truth about something

prostitute – (n.) a person, usually a woman, who engages in sexual intercourse especially for money

gangrene – (n.,) ( medical) the decay of flesh that occurs in a part of the body that no longer has blood flowing to it

asylum – (n.) a hospital where people who are mentally ill are cared for especially for long periods of time; a mental hospital

notorious – (adj.) well-known for something bad