He’s responsible for her losing her head, I figure (4)

I believe the answer is:

eric

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'he's' is the definition.
(I've seen this before)

'her losing her head i figure' is the wordplay.
'her' becomes 'de'.
'losing her head' means to remove the first letter.
'i figure' becomes 'ric' (I can't justify this - if you can you should give a lot more credence to this answer).
'de' with its first letter taken off is 'e'.
'e'+'ric'='ERIC'

'responsible for' is the link.

Can you help me to learn more?

(Other definitions for eric that I've seen before include "--, or Little by Little (Dean Farrar)" , "Rice turned for the boy" , "-- Clapton, guitarist" , "One of pair once popular" , "Cantona or Clapton?" .)

I've seen this clue in the Evening Standard.

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