The chairwoman of an NHS trust criticised for asking staff for fingerprints as it hunted a whistleblower has announced she is stepping down.
Sheila Childerhouse said she took personal responsibility for the failings at West Suffolk Hospital.
Last week a report highlighted how staff were also targeted when they spoke out over a drug-taking colleague.
The trust said Ms Childerhouse would be leaving her role in January.
A report commissioned by NHS Improvement identified a series of failures in the way the hospital's management handled concerns over an anaesthetist who had been seen injecting himself with painkilling drugs while caring for patients.
The anaesthetist, known as Dr A, was also the subject of an anonymous letter sent to the husband of Susan Warby, a patient who died after mistakes were made during an operation he was involved in.
Her inquest ruled out any direct responsibility for her death on the part of Dr A, who later left the trust.
The independent review by Christine Outram described how Dr A was allowed to continuing practising but another consultant who had raised concerns about him found herself subject to a disciplinary investigation.
That doctor, Patricia Mills, told the BBC that she feared for her career.
She was also asked for handwriting and fingerprint samples when she came under suspicion of being the letter writer, which she denied.
Ms Childerhouse was criticised for passing on a confidential email detailing Dr Mills' concerns over whether Dr A...
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