It is like taking away the fame, wealth or influence of a celebrity.
The police ____ Alan Turing. Alan Turing was unfortunately ____.
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Defrock is a good option.
The second sense from Merriam-Webster reads:
to remove from a position of honor or privilege.
"The police discredited Alan Turing. Alan Turing was unfortunately discredited."
Discredit — ODO
verb 1. Harm the good reputation of:
"his remarks were taken out of context in an effort to discredit him"
In 1952, Turing wrote to his friend and mathematician Norman Routledge, revealing that he was afraid that he will be discredited and his ideas will be discredited because of him publically confessing he had sex with another man. Back in the days, homosexuality was considered a criminal act in Britain.
- to remove or withhold something from the enjoyment or possession of (a person or persons): to deprive a man of life.