Crossword Genius

Noriega was one — with family members fuelled by obsession (10)

Ross

I believe the answer is:

panamanian

I'm a little stuck... Click here to teach me more about this clue!

'noriega' is the definition.
I can't tell whether this defines the answer.

'one with family members fuelled by obsession' is the wordplay.
I cannot really see how this works, but
'one' could be 'an' (an apple is one apple) and 'an' is located in the answer.
'obsession' could be 'mania' (I've seen this in another clue) and 'mania' is found within the answer.
The remaining letters 'pan' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

'was' acts as a link.

Can you help me to learn more?

I've seen this clue in The Times.
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