A murder suspect hiding body part (7)

I believe the answer is:

eardrum

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'body part' is the definition.
(eardrum is a kind of body part)

'a murder suspect' is the wordplay.
'suspect' indicates an anagram.
'a'+'murder'='amurder'
'amurder' is an anagram of 'EARDRUM'.

'hiding' is the link.
I am not very happy about this link. It may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for eardrum that I've seen before include "It vibrates to sound" , "Tympanum" , "Auditory membrane" , "Hearing membrane" , "Ear membrane" .)

I've seen this clue in The Hindu.

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