First person murdered in Moab electrocuted (4)

I believe the answer is:

abel

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'first person murdered' is the definition.
I can't judge whether this defines the answer.

'in moab electrocuted' is the wordplay.
'in' says the answer is hidden in the clue.
'ABEL' is hidden within 'moab electrocuted'.

Can you help me to learn more?

(Other definitions for abel that I've seen before include "done in before anyone else" , "Early man equipped" , "Cain's 11" , "Victim of 11" , "murdered second son?" .)

I've seen this clue in The Sun.

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