Lack of a defence for divorcee consumed by criminal falling head over heels at function (2,6)

I believe the answer is:

no excuse

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'divorcee consumed by criminal falling head over heels at function' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'lack of a defence' is the wordplay.
'lack of' becomes 'no' (lack of money is no money).
'a defence' becomes 'excuse' (excuse is a kind of defence).
'no'+'excuse'='NO EXCUSE'

'for' acts as a link.

Can you help me to learn more?

I've seen this clue in the Irish Times.

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